WIRING DIAGRAM
m“NARO 20 (STANDARD SERIES without Motion Switch)
Modeis 2034 & 2042
Pre 1992 Models
17 |
N.D, “pro. H14
!
i
osc. CYLINDER 0 В ART-288
* NOTE: Switch wiring as seen from the rear of switch.
Up/Down Switch at Upper Control Box - Contacts Made With Toggle at Keyway Position 1-2, 4-5 - Center
Position 1-2, 5-6 - Opposite Keyway 2-3, 5-6
38 Troubleshooting
Symbol Identification for
WIRING DIAGRAM
NARO 20 (STANDARD SERIES without Motion Switch)
Models 2034 & 2042
Pre 1992 Models
Qty. Symbol Description Part No. Gty. Symbol Description Part No.
4 B1 Battery, 6V, Deep Cycle (GC2) 5970 1 Mi Motor, 24V 6194
1 CB1 Circuit Breaker, 15 Amp 7235 51 Switch Assy., Emergency Stop 7800
2 D1 Diode Assembly, 1 52 Toggle Switch (Fast/Slow) 5630
3 Amp, 600V (PIV) 6070 1 S3 Toggle Switch (Up/Down) 5979
1 Hi Harness (w/Cannon End), (See diagram below)
Control Box 5982 2 S4 Toggle Switch (Drive/Steer) 5694
1 H2 Harness (w/Cannon End), 4 S5 Toggle Switch
| Upper Control 5983 (Up/Down - Lower Control) 5230
Service Repair Kit, Cannon Plug 6318 ;
— " 1 57 Plunger Switch (Speed Limit) 6715
1 H3 Harness, Speed Limit Switch 7070 ;
: 1 58 Key Switch (w/Keys) 5936
1 H4 Harness, Cylinder Down Valve 6787 Service Key Only 6117
1 Н5 Harness, Scissors, Nos. 1-5 6739 1 $9 Contactor. Motor 5967
1 H6 Harness, Scissors, Nos. 7-11 6740 >» 610 Plunger Switch
1 H7 Harness, Valve Manifold 6805 (Stabilizer Limit) 6016
1 H10 Harness, 110V AC Outlet Assy. 6746 2 TB1 Toggle Boot 5692
1 H11 Cable, Motor 6123 2 TS1 Terminal Strip . 5991
1 H14 Harness, Lower Controls 6764 1 UCB1 Control Box, Upper 2107
1 H15 Harness, Power, Ground &
Stabilizer Limit Switches 7076
1 H16 Jumper, Battery, 16 in. 7017
2 H17 Jumper, Battery, 5 in. 6208
2 Cable Assembly, Connector 6687
>< Up/Down Switch Diagram (at Upper Control Box)
UP NORMAL/NEUTRAL DOWN
ol 4o o
ï 4 a +9 POWER
i OUT
POWER _4 02 56 POWER —+69 5 о POWER — 62 58
|
| ! PO
POWER € 63 Go 03 664 "our" 03 Bo
Troubleshooting 39
WIRING DIAGRAM
mesNARQ 20 (HIGH TORQUE SERIES without Motion Switch)
Models 2034HT 8 204211
Pre 1992 Models
*
RIGHT
97
e
ето,
ео
1
i
y $ Ea
$
[1 = pri
. AO “OO as 1)
ree J 2
E quad Li de
ров. SBF ow =. Po
¿SECONDARY )
* NOTE: Switch wiring as seen from the rear of switch.
ART-269
Up/Down Switch at Upper Control Box - Contacts Made With Toggle at Keyway Position 1-2, 4-5 - Center
Position 1-2, 5-6 - Opposite Keyway 2-3, 5-6
40 Troubleshooting
WIRING DIAGRAM
mee NARO 20 (HIGH TORQUE SERIES without Motion Switch)
Models 2034HT & 2042HT
Pre 1992 Models
Qty. Symbol Description Part No. Qty. Symbol Description Part No.
4 B1 Battery, 6V, Deep Cycle (GC2) 5970 1 Hi6 Jumper, Battery, 16 in. 7017
1 CB1Circuit Breaker, 15 Amp 7235 2 H17 Jumper, Battery, 5 in. 6208
5 р! Diode Assembly, 2 Cable Assembly, Connector 6687
3 Amp, 600V (PIV) 6070 2 Mi Motor, 24V 6194
1 D3 Diode Assembly, si Switch Assy., Emergency Stop 7800
3 Amp, 600V (PIV) 6241 : S2 Toggle Switch (FastSlow) 5630
1 HT Harness (w/Cannon End), 3 Toggle Boot 5692
OO 5982 1 53 Toggle Switch (Up/Down) 5979
ire Set 6296 (See diagram below)
H2 Harness (w/Cannon End), 2 Sa Toggle Switch (Drive/Steer) 5694
Upper Control 5983 |
1 Repair Kit, Cannon Plug 55. Toggle Switch
(Terminals) (Up/Down - Lower Control,
— Secondary Motor) 5230
1 H3 Harness, Limit Switch 7070
1 S6 Toggle Switch (Speed/Power) 6234
1 Há Harness, Cylinder Down Valve 6787
1 57 Plunger Switch (Speed Limit) 6715
1 H5 Harness, Scissors, No. 1-5 6739
H 5 Soi Nos 7-11 740 1 58 Key Switch (w/Keys) 5936
6 arness, Scissors, Nos. 7- 6 5 Key Only 5991
1 H7 Harness, Secondary Manifold 6766 2 со Contactor, Motor 5967
{He Hames Power, Ground & 2 S10 Plunger Switch
Stabilizer Limit Switches 7076 (Stabilizer Limit) 6016
1 HO Harness, Scissors, Nos. 13-15 6741 5 TS1 Terminal Strip 5991
1 H10 Harness, 110V AC Outlet Assy. 6746 1 UCB1 Control Box, Upper 2107
1 H13 Harness, Primary Manifold 6765
1 H14 Harness, Lower Controls 6764
Control Box)
DOWN
UP
IN
IN
> POWER
> ut 03 €
Troubleshooting 41
WIRING DIAGRAM
"“NARO 20 (STANDARD 8 STANDARD EE SERIES)
Models 2034 8: 2042
199? and Later Models
LC] Lei
03348 =
OS 'A38 BT HDIS NAO dN E330 KOS ar
4 dHYOZ — — — — —
| о ó- Co | 1 |
O Oy | ave IDLONPO4 JILIN HGH ECH
PE In г
O95 HOR O92 | | 3 5 |
| T OA |
HE] ИН | E т
u] 01 - 2 A 7
2, a | |
=18 ||
“ES E | | |
|
| e |
YEH | | = — —
“DIS DU | To 1
3 ”) *1-8 «015 hon = 18 ||
ANAS [Ea |] - |
vi 3 5 о
di /A sr (gil = 1691 | Tal U
2 | | E
ss joo | 1 BS ||
| [o JozH | [Jew |
“a vo 4 153 Гу 41 Г. 1 |
Lo $0 --
ER VA нос BR ee
СА
aX NIT SEE Ys 6 1
> gl A Aa DS 6 8 9 $9 2 3 2 $ 1 do | $e En = i
LS Lt 8 STF NERO | _—- - HE
Mine
| | | | | — | OVE |
= SOSN
eT e AP
< 7
BH > > in > SN sors 33 /
Е ен | | | SNOTLAO
lo 1 ,2 18 | | \
Po Y | \ \
_ E E ETES Ste
Tig ÿ 8 #Z L 9 8 8 4 8 & Z E 2 iu
_.? Y _2 _9 Y YG _QG 9 2% Y Y $ Y Y Jiu
LAA AAA
A A À À À À À À À À À À À À À
| M4 Y 9 AM Aa Ha AAN AA Za 77 71780
| й LU TT | 1 1 1 1 м |
т | |
| 11] ang |
£
| [484] |
Lal onl
| Tre |
Ly |
| A | |
| él
» |
| AN |
| RL фо ри Вы
| 75 т
| m Ael+__ __|aël- |
| E НО
we | | * [$3 > dOLS
ES | ai os о wos se SESE | © | |
| "Ls A *1$ ote | | | |
О a 272218 ® 1917
| MO Гей isval hum | SNINEVA CEL | |
| VE| »SS foots a |
ma
La LL DBA o —
42 Troubleshooting
reNARO 20 (STANDARD
Symbol Identification for
WIRING DIAGRAM
Models 2034 & 2042
1992 and Later Models
& STANDARD EE SERIES)
Part No.
Qty. Symbol Description Standard Standard EE
1 AC AC Converter 7103 N/A
1 A1 Alarm - Tilt Warning 7553 7553
1 BC Battery Charger (Also see page 62) 6995 6995
1 BF Battery Fuel Gauge 7099 7099
1 CA Ceramic Capacitor .1 MF 7130 N/A
1 D1 Diode, Motion Alarm 6070 Not Used
1 D4 Diode, Dual 6946 6946
1 HM Hour Meter 6857 7590
2 H11 Cable Assembly, Connector 6687 7615
1 Harness, 110VAC Outlet Assembly 6746 6746
2 H17 Jumper - Battery 8.5M Awg #2 6208 7614
1 H18 Harness - Battery Fuel Gauge, Motion Alarm, Hour Meter 7604 7604
1 M19 Harness - Warning Light 4914 4914
1 H22 Harness - AC Converter Red 7114 N/A
1 H23 Harness - AC Converter Black 7113 N/A
1 Li Indicator Light - Tilt Warning 6906 6906
1 MA Motion Alarm 7102 7630
1 TS2 Tilt Sensor 4-1/2° 1 Second Delay 7552 7552
i WL Warning Light 7105 7595
Part No.
Qty. Symbol Description Standard Standard EE
4 B1 Battery, 6V, Deep Cycle (GC2) 5970 5970
1 CB1 Circuit Breaker, 15 Amp 7235 7577
2 D1 Diode Assembly, 3 Amp, 600V (PIV) 6070 - 6070
EST Emergency Stop Assembly
1 F3 Fuse. 20 Amp 7275 7275
1 H1 Harness , Control Box w/Connector 7657" 7657
1 H2 Harness Upper Control Cord w/Connector 7656" 7656
1 H3 Harness, Speed Limit Switch 7070 7070
1 H4 Harness, Lift Cylinder Down Valve 6787 6787
1 HS Harness, Base to Platform, Nos. 1-5 6739 6739
1 H6 Harness, Base to Platform, Nos. 7-11 6740 6740
1 H8 Harness, Ground --- 7588
1 H9 Harness, Base to Platform, Nos. 6, 12, 15 6741 6741
1 H14 Harness, Lower Controis 6764 6764
1 H16 Cable, Battery Jumper Awg 2-23 in. 7017 7613
1 H20 Harness, Power, Ground & Stabilizer Switches 7912 7603
1 H24 Harness, Manifold, Standard 6805 6805
1 M1 Motor, 24VDC Permanent Magnet 6194 7169
3 51 Switch - SP, ST Toggle 5630 5630
2 Switch Guard Emergency Stop 7622 7622
1 53 Switch - DP, DT, 2-Way Interlock, SR Toggle 5979 5979
2 54 Switch - DP, DT, SR Toggle 5694 5694
2 55 Switch - SP, DT, SR Toggle 5230 5230
1 57 Switch - Speed Limit - Plunger 6715 6715
1 58 Switch - Key w/2 Keys 5936 5936
Serv. Key - Only 6117 6117
1 59 Contactor - Motor Run 5967 5967
2 sio Switch - Stabilizer Limit, w/Roller 6016 7583
1 TS1 Terminal Strip 5991 5991
1 TS5 Terminal Strip 6947 6947
UCB? Upper Control Box (Also see pages 82, 83, or 84) 4940 4940
Key:
* Part Numbers shown are for standard machines built
after 1-1-92. For machines built before that date, order
part no. 5283 for Harness H2 and part no. 5982 for Harness H1.
SP = Single Pole
DT = Double Throw
SR = Spring Return
ST = Single Throw
DP = Double Pole
Troub
leshooting 43
Pegi
ART-120
---+-. H3MO1
HOSNIS
(AHYANODIS)
HOLON
dNNd
Or
LIN
JON “13930 033dS
HIMOd HOd “A3H ayvug 1431 1HDIH NMOG dn MOIS si г - -
mmm mmm
x A р - a |
О О о вгн
|
4 4 CAY MIO)
O © © O HOLON $6 | о о
cin = «лба IN > 9
ee у > > | SH | 5 >
— U I + as
s -Oer Os Ed O m
9 | I D
"ОФ 11} ot € 8 L YH E
et > Z+H i f =H |
„65 o 2 |
|
! ZZH
ZH | I
що i LZZZZZ21117!
| !
9 9 — + I
oLS 9H; | = 19 | Hy
+ 1] | Eo
o — | = = EI
ON Le А LIÔA ve x
© |
iH ON ¡ON AALLISOd | WHY TY |,
da /А\ NOLLON © E
Г" + ! |
£0 | ‚а > | À LHD 1
] E
po — es NC ONINHVM | |
Ц 1 [Jew
L] Js | resprrmzrn |
NAOT | va | E 0
Y biH H39HVHO | tl
ono dk E a A e Neon =] НО
o o © o © о о Ô © |
plz o Ys нов Za IL 0 6 8 L o Do JYNINHIL |
, о о 1X08 JOHINOO |
.] |
3
|
|
|
|
|
LL
/
= EEE Ee == 77
7
N SN Л A \ \
TO т тМ МР ем Ме [UM TN e pe e e $ ESE
Ó Ô О О
| ; 5 у diHis
|
hd
SNOLLdO
NIN
A
Os
TOUINOO
03345
153 - dOLS
AONZDHIN3
3
Models 2034HT & 2042HT
1992 and Later Modeis
=NDYHOL H377n9 % IHN
ONINEYAA LTL
|
эт тии тт О da ME ваш EME чит sme Trem те dA ALS ATE MVE EAE ОМ MAG AMA BATE ARAL ЕЮ Остин AA AM AMA EEN кл тт тит Мама AMAL Ll EOE ОБС мыл SATE MAME вым AMA Ms CEN meee AE TY Lm те =
a A de то vm dwn we wan mew NA Fw mmm mam mmm Amn Emm mmm mmm mmm wb Te be We Yet mht wr wm mm mmr mmm mmm mm mmm mmm mms mmm dei ные den ММ сын mmm mmm mmm mmm не mk mem vi init HR HEE WW WR SAAR GAM GLA a AWE оны MAM AEE Emm A STEN EEE Emm Em EE A EE сн кн == = == =
"NARO 20 (HIGH TORQUE 8: HIGH TORQUE EE SERIES)
Troubleshooting 44
Symbol Identification for
WIRING DIAGRAM
"“NARO 20 (HIGH TORQUE 8 HIGH TORQUE EE SERIES)
Models 2034HT a 2042HT
1992 and Later
Part No.
Qty. Symbol Description Standard Standard EE
1 AC AC Converter 7103 N/A
1 A1 Alarm - Tilt Warning | 6906 6906
1 BC Battery Charger (Also see page 62) 6995 6995
1 BF Battery Fuel Gauge 7099 7099
1 CA Ceramic Capacitor .1 MF 7130 N/A
1 DA Diode, Motion Alarm 6070 Not Used
1 D4 Diode, Dual 6946 6946
1 HM Hour Meter 6857 7590
2 H11 Cable Assembly, Connector | 6687 7615
1 Harness, 110VAC Outlet Assembly 6746 6746
2 Н17 Jumper - Battery 8.5M Awg #2 6208 7614
2 Cable Assembly w/Connector 6687 7615
1 H18 Harness - Battery Fuel Gauge, Motion Alarm, Hour Meter 7604 7604
1 H19 Harness - Warning Light | 4914 4914
1 H22 Harness - AC Converter Red 7114 N/A
1 H23 Harness - AC Converter Black 7113 N/A
1 L1 Indicator Light - Tilt Warning 7553 7553
1 MA Motion Alarm | 7102 7630
1 TS2 Tilt Sensor 4-1/2° 1 Second Delay 7552 7552
1 WL Warning Light | 7105 4913
| Part No.
Qty. Symbol Description Hi-Torque Hi-Torque EE
4 B1 Battery, 6V, Deep Cycle (GC2) 5970 5970
1 CB1 Circuit Breaker 7235 7577
3 D1 Diode Assembly, 3 Amp, 600V (PIV) 6070 6070
1 D2 Diode , 3 Amp 600V (PIV) 6241 6241
EST Emergency Stop Assembly
1 F3 Fuse. 20 Amp 7275 7275
1 Hi Harness , Control Box w/Connector 7657* 7657
1 H2 Harness Upper Control Cord w/Connector 7656" 7656
1 H3 Harness, Speed Limit Switch 7070 7070
1 H4 Harness, Lift Cylinder Down Valve 6787 6787
1 H5 Harness, Base to Platform Nos. 1-5 6739 6739
1 H6 Harness, Base to Platform Nos. 7-11 6740 6740
1 H7 Harness, Secondary Manifold 6768 5 6766
1 | H8 Harness, Ground --- 7588
1 H9 Harness, Base to Platform Nos. 6, 12-15 6741 6741
1 H13 Harness, Primary Manifoid 676$ % 6765
1 H14 Harness, Lower Controis 6764 6764
1 H16 Cable - Battery Jumper Awg 2-23 in. 7017 7613
1 H20 Harness, Power, Ground & Stabilizer Switches 7076 7603
1 H21 Harness, HT Wire Set 7658" 7658
1 M1 Motor, 24VDC Permanent Magnet 6194 7169
3 Si Switch - SP, ST Toggle 5630 5630
2 Switch Guard Emergency Stop 7622 7622
1 $3 Switch - DP, DT, 2-Way Interlock, SR Toggle 5979 5979
2 54 Switch - DP, DT, SR Toggle 5694 5694
2 S5 Switch - SP, DT, SR Toggle 5230 5230
1 57 Switch - Speed Limit - Plunger 6715 6715
1 58 Switch - Key w/2 Keys 5936 5936
Serv. Key - Only 6117 6117
2 59 Contactor - Motor Run 5967 5967
2 S10 Switch - Stabilizer Limit, w/Roller 6016 7583
1 511 Switch - DP - 3-Position Toggle 7633 7633
1 TS1 Terminal Strip 5991 5991
UCB1 Upper Control Box (Also see pages 82, 83, or 84) 4920 4920
Earlier Models Used 2992 N/A
Key:
* Part Numbers shown are for standard machines built
after 1-1-92. For machines built before that date, order
part no. 5983 for Harness H2, part no. 5982 for Harness H1,
and part no. 6296 for H21.
SP = Single Pole
DT = Double Throw
SR = Spring Return
ST = Single Throw
DP = Double Pole
Troubleshooting 45
HYDRAULIC SCHEMATIC
"*NARO 20 (STANDARD SERIES)
Models 2034 8: 2042
STEERING
CYLINDERS
щи
== BRAKE
01 CYLINDER
Ce DRIVE MOTORS
H11
L
C3
H4
Hl Hi MA3 ) (01 H3 H3
pm TUTTI 77777
| DECEL V6 |
| |
| |
| 03 |
| SN a
| ^^ |
|
| |
| RIGHT LEFT |
| — Al IB — FOR Al |B REV
i ER :
i es — |
ve ANO HIT ve |
STEER |
| NG RV | VE | DRIVE |
| 1588 ' |
| > 1 | CBVI po]
| Pro 450 PS
| |} ВВАКЕ и |
| | | |
| i
| |
|
| v6 =—|PFCI |
zp De =
\
I N |
| SLOW |
| SPEED |
| |
| |
| € |
N |
! V3 UP
| TT FCI vi |
ow de [E Down |
| 7 |[> |
TEST |
¡PLUG |
| eed RV] |
| |
р J
HS He
LIFT CYLINDER
rm =—m=m== == 7
! |
| VI DOWN |
} }
| |
| |
| © u | H11
| = C1 Е |
| MER" } 14
| DOWN > |
NOTE: Refer to symbol chart for setting Relief Valve.
roubleshooting 46
AULIC SCHEMATIC
"*NARO 20 (HIGH TORQUE SERIES)
PA
Models 2034HT & 2042HT
STEERING
CYLINDERS eee RIGHT pr > LEFT ее
REAR FRONT
BRAKE £
и
EMS A SECONDARY HANIFOLD (MA4
Hil TH H4
- —
Ee
pu va STEERNG
RVI Y 6 BRAKE
Wilf
FA de Ab
POT AA LT a
TOTO TT O E AA A E E een ae
PA E OA PRA a ee
si SU
PRIMARY
PUMP
H11
Ci
EMER DOWNYS |
* NOTE: Refer to symbol chart for setting Relief Valve.
Troubleshooting 47
meeNARO 20
JU Y
SAFETY
EMERGENCY, UPDOWN SAFETY
DOWN | DRIVE/STEER 2200
5-2 1 2 — 5
VOLTGE ~~
sa? | «ото E | \ON.C.
© | ¢ © 68-9
3
‘ = Ô TILT %
ALARM 6
UP L
ur Ld bd
Son RIGHT LEFT REV. FOR.
©
Ea
N.-C.
S-
<
122.1
Eo?
|
——
<
=
50
50 o.
EEN
mm
fe
+ =
o
9
„=
> сэ
Pp
Co =
о
=
PS
co
„т
Os
=
0G ¢
æ =
<>
co
co
<
<
—<
<<
<<
<<
H2.[
Ô O O Ó о O о O о о о о O O O
TS1 O i 2 3 4 5 6 7 8 9 10 11 12 13 14 15 O
o O O O O о O о O о o O O O о GND
WIRING !S NOT CHANGED FROM -
UPPER TERMINAL STRIP TO BASE
ART-198
48 Troubleshooting
FAST UP
OFF
SAFETY SAFETY rol
UP/DOWN VE -
DOWN | DRIVE/STEER т ой à
$3 у {TET VOL TIE N. И N.C. HIGH
| SPEED
о
| 9 сео] TORQUE _Folorr
0 5 TILT 8
ALARM 6
UP =
© ney Le... E
RIGHT LEFT REV. FOR
С С
No /N0 NO. /N0.
NC. NC. NC. NC. 10
58 5-8 8. Sa ra
4 8 9 A
1 | i
J
Т
<<
——
<—
——
O O Ö O
4 5 6 7 8 9 10 {1 12 13 14 15 О 781
о o о O о о о O o O O о GND
WIRING iS NOT CHANGED FROM
UPPER TERMINAL STRIP TO BASE
ART-197
Troubleshooting 49
meNARO 20 (STANDARD SERIES)
WIRE #7
RIGHT TURN » V6N.0.2-WAY SPOOL
H1 HOST TO VALVE DECELERATION
STEERING CYL. BASE WIRE #3,
RIGHT TURN
OR3 ORIFICE
UNDER VALVE
V6 N.O. 2-WAY SPOOL A RN | | >
VALVE, SLOW SPEED M4 DEZ | ~ Y
WIRE 42 SUN dd
alt N а WIRE #10
“a AZ << REVERSE
= | SAT V2 4-WAY 3-POS
> = <a PT BLOCK VALVE
PFC1, PRIORITY x
FLOW CONTROL A: Г DRIVE
——
MT
| WIRE #11
e FORWARD
~~ STEERING
A /^ N
PRESSURE TEST - 7
PORT, ALL PSI E 7
A 7 ВР
SETTINGS
V1 N.C. 2-WAY POPPET
VALVE, DOWN, WIRE #5 LEFT TURN
V3 3-WAY VALVE
Hi HOSE TO UP, WIRE #4
STEERING CYL, ROD
END LEFT TURN, OR1 V6 N.0. 2-WAY
FC1, FLOW ORIFICE AT CYL. SPOOL VALVE
CONTROL, DOWN BRAKE, WIRE #3
ORt
CBY1, COUNTER
BALANCE VALVE
400 PSI
H2 HOST PORT
TO LIFT CYL.
H3 DRIVE HOSE
TO RIGHT REAR PORT
a
a
< |
AD и À
HF
H4 HOST TO
“> BRAKE CYL. BASE
{A
O
CI
RV1 PRESSURE
RELIEF, STEERING,
1500 PSI
H3 DRIVE HOSE
TO LEFT FRONT PORT
a
O
H9 RETURN H5 HOSE
HOSE PORT PRESSURE IN
AV1 PRESSURE RELIEF
MAIN LINE *
ART-180
* NOTE: Refer to symbol chart for setting Relief Vaive.
50 Troubleshooting
ymbol Identification for
MANIFOLD
T°NARO 20 (STANDARD SERIES)
Qty. Symbol Description Part No. Qty. Symbol Description Part No.
1 Ci Lift Cylinder 6871 1 MA3 Primary Manifold 3239
Service Seal Kit 7078 O1 Orifice, Fitting Assembly .036 6107
1 C2 Steering Cylinder 2838 1 O3 Orifice, Fitting (Brass) Hole .062 2975
1 Barrel Weldment 2484
1 Cylinder Head 2493 1 P1 Hydraulic Pump 6994
1 Piston 2494 1 PFC1 Priority Flow Control
1 Cylinder Rod 2837 1.0 GPM (Std.) 5954
1 Internal Retaining Ring 6337 1 Priority Flow Control
1 Nut, 1/2-20 Lock 6338 .5 GPM (Special) 6189
Service Seal Kit 5947 Service “O” Ring Kit 5475
1 C3 Brake Cylinder 2483 2 RV1* Relief Valve 6316
1 Barrel Weldment 2485 Service “O” Ring Kit 5475
1 Cylinder Head 2493 5 VA 2-Way N.C. Valve
1 Piston 2494 Service “O” Ring Kit 5475
1 Cylinder Rod | | 2504 Valve Only 6973
1 Internal Retaining Ring 6337 + Coil Only 24 VDC 6163
1 Nut, 1/2-20 Lock 6338 NOTE: Lift Cylinder Coil Only 7833
Service Seal Kit 5947
Val 2 V2 4-Way 3-Position Vaive 7976
1 CBV1 Counterbalance alve 6712 Service Spring and “O” Ring Kit 6161
Service O” Ring Kit 6806 + Coil Only 24 VDC 6163
1 F1 Filter Element 6156 4 Va 3-Way 2-Position Valve
1 FC1 Flow Control 5963 Service “O” Ring Kit 5476
Service “O” Ring Kit 5475 Valve Only 6976
2 H1 Hose, Steering 7066 t Coil Only 24 VDC 6163
1 Ho Hose, Lift 7005 1 V5 Manual Pull - Emergency Down 5435
Service “O” Ring Kit 5475
2 H3 Hose, Drive 7006
Service Seal Kit 6675 3 V6 2-Way N.O. (Spool Valve)
Service “O” Ring Kit 5475
1 H4 Hose, Brake 6722 Valve Only 6975
1 H5 Hose 7067 + Coil Only 24 VDC 6163
2 H9 Return/Suction Hose 6225
1 H10 Hose, Crossover, 34" 5996
1 Hose, Crossover, 42" 7082
25 ft. H11 Return Line, 5/16 1.D. Fuel Line 6458
1 H12 Hose, Tank to Filter 7058 “Relief Valve
1 Mi 24 VDC Motor 6194 Pressure Relief Lift
2 M5 Drive Motor, Model 2034 6987P Model Setting Capacity
Service Seal Kit 6815 2034 2,000 PSI 750 Ibs.
2 Drive Motor, Model 2042 7037P 2034 HT 2 000 PSI 750 lbs.
Service Seal Kit 6815
2042 2,250 PSI 1,000 165.
2,250 PSI 1,000 Ibs.
2042 HT
Service = Service Uses
+ = 10 Total Coils
Troubleshooting 51
2 VIEWS PRIMARY MANIFOLD
meeNARO 20 (HIGH TORQUE SERIES)
, V3 3-WAY VALVE
UP, WIRE #4
H5 HOSE
PRESSURE IN
PRIMARY PUMP
PFC1, PRIORITY
FLOW CONTROL VALVE 7
CV1, CHECK
4 Pp DA VALVE
H9 HOSE RETURN CUT
TO RESERVOIR
PRESSURE TEST PORT
ALL PSI SETTINGS
Y6 N.O. 2-WAY SPOOL VALVE
SLOW SPEED, WIRE 42 RV1, PRESSURE RELIEF
H7 HOSE, PRESSURE FROM MAIN LINE *
PRIMARY MANIFOLD TO
SECONDARY MANIFOLD, Сул
SECONDARY PUMP CHECK
os ) e H2 HOSE
7 TO LIFT CYL.
H7 HOSE, PRESSURE (ASS a
FROM PRIMARY MANIFOLD
TO SECONDARY MANIFOLD
PRIMARY PUMP
A FC1, FLOW
Sé CONTROL, DOWN
V1 N.C. 2-WAY POPPET
H5 HOSE, PRESSURE VALVE, DOWN, WIRE #5
IN SECONDARY PUMP
ART-181
* NOTE: Refer to symbol chart for setting Relief Valve.
52 Troubleshooting
meNARO 20 (HIGH TORQUE SERIES)
V2 4-WAY 3-POS
BLOCK VALVE WIRE #7
- STEERING
PRIMARY
3 WIRE #10
REVERSE DRIVE
WIRE #8
LEFT
SECONDARY
DRIVE
WIRE #11
FORWARD
H1 HOST ТО STEERING
CYL. ROD END, LEFT TURN
OR1 ORIFICE AT CYLINDER
V3 3-WAY SPOOL
VALVE - POWER
V6 2-WAY N.C.
SPOOL VALVE BRAKE
SEE BELOW WIRE #3
BRAKE HOSE V6 2-WAY N.O.
WIRE #3 — SPOOL VALVE POWER
FOWER (TORQUE)
ORt ORIFICE
vagy? BRAKE
Gy a H3 HOSE DRIVE TO
RIGHT FRONT PORT
H3 DRIVE HOSE
TO LEFT REAR POR к |
H3 DRIVE HOSE ————— | ana Da
TO LEFT REAR PORT WS
RV1 PRESSURE RELIEF
Л
Кой
E STEERING 1500 PSI
|
CBY1 COUNTER BALANCE
VALVE PRIMARY - 450 PS!
CBV1 COUNTER BALANCE
H3 DAIVE HOSE VALVE SECONDARY - 450 PSI
TO LEFT FRONT PORT
Hi HOSE TO STEERING
CYL, BASE RIGHT TURN
PRESSURE IN FROM
PRIMARY MANIFOLD,
SECONDARY PUMP
PRESSURE IN FROM
PRIMARY MANIFOLD
PRIMARY PUMP
V6 2-WAY N.O. SPOOL
VALVE. DECEL WIRE #3
OR4 ORIFICE
UNDER VALVE
HS HOSE RETURN
TO RESERVOIR
ART-182
* NOTE: Refer to symbol chart for setting Relief Valve.
Troubleshooting 53
"“*NARO 20 (HIGH TORQUE SERIES)
Qty. Symbol Description Part No. Qty. Symbol Description Part No.
1 C1 Lift Cylinder 6871 1 MA! Primary Manifold 3595
Service Seal Ki 7078 1 MA4 Secondary Manifold 3480
C2 Steering Cylinder 2838 2 O1 Orifice, Fitting Assembly .036 6107
1 Barrel Weldment 2484
1 Piston 2494 P1 Hydraulic Pump 6994
ovinderfod in Rin or 2 PFC1 Priority Flow Control
J ning 1.0 GPM (Std) 5954
Nut, 1/2-20 Lock 6338 Priority Flow Control
Service Seal Kit 5947 5 GPM (Special) 6189
Service “O” Ring Kit 5475
| СЗ Brake Cylinder 2483 2 RV1* Relief Valve 6316
1 Barrel Weldment 2485 Service “9” Rina Kit 5475
1 Cylinder Head 2493 J
1 Piston 2494 2 Vi 2-Way N.C. Valve
1 Cylinder Rod 2504 Service “O” Ring Kit 5475
1 Internal Retaining Ring 6337 Valve Only 6973
1 Nut, 1/2-20 Lock 6338 + Coil Only 24 VDC 6163
Service Seal Kit 5947 NOTE: Lift Cylinder Coil Only 7833
2 CBV1 Counterbalance Valve 6712 3 V2 4-Way 3-Position Valve 7976
Service “O” Ring Kit 6806 Service Spring and “O” Ring Kit 6161
Coil Only 24 VDC 6163
4 CV1 Check Valve 5434 t ony
Service “O” Ring Kit 5475 4 V3 3-Way 2-Position Valve
Service “O” Ring Kit 5476
1 F1 Filter Element 6156 Valve Only 6976
1 FC1 Flow Control 5963 + Coil Only 24 VDC 6163
Service O Ring KI > 1 V5 Manual Pull - Emergency Down 5435
2 H1 Hose, Steering 7066 Service “O” Ring Kit 5475
1 H2 Hose, Lift 7005 5 V6 2-Way N.O. (Spool Valve)
Service Seal Kit Swivel Fitting 6675 Valve Only 6975
1 H4 Hose, Brake 6722 t Coil Only 24 VDC 6163
2 H5 Hose, Pump to Manifold 7067
2 H7 Hose, Manifold to Manifold 6429
2 H8 Hose, Suction 6225
2 H9 Hose, Return 5995 *Relief Valve
25ft. H11 Return Line, 5/16 LD. Fuel Line 6458 Pressure Release Lift
Model Setting Capacity
1 H12 Hose, Tank to Filter 7058
2034 2,000 PSI 750 Ibs.
2 M1 24 VDC Motor 6194 2034 HT 2,000 PSI 750 Ibs.
2 M5 Drive Motor (Hydraulic) 2042 2,250 PSI 1,000 Ibs.
Model 2034 HT 6987Р 2042 НТ 2,250 PSI 1,000 Ibs.
Service Seal Kit 6815
2 Drive Motor (Hydraulic)
Model 2042 HT 7037P
Service Seal Kit 6815
54 Troubleshooting
Service = Service Uses
+= 17 Total Coils
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