4 - 34
Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N
Part No. 139378
June 2011
Section 4 • Repair Procedures
REV B
MANIFOLDS
Function Manifold Components,
continued
The function manifold is locate behind the ground controls turntable cover.
Index
Schematic
No.
Description
Item
Function
Torque
15
Orifice, 0.045 inch / 1.14 mm ........... O ........... Brake and steer circuit
16
Solenoid valve, N.O. poppet ............. P ........... Brake circuit ...................................... 20-25 ft-lbs / 27-34 Nm
17
Differential sensing valve ................. Q ........... Differential sensing circuit ................ 30-35 ft-lbs / 41-47 Nm
18
Relief valve,
2800 psi / 193 bar
(Z-30N and Z-30N RJ)
3200 psi / 221 bar
(Z-34N and Z-34DC) ........................ R ........... System relief ..................................... 20-25 ft-lbs / 27-34 Nm
19
Orifice, 0.035 inch / 0.89 mm ............ S ........... Tank return circuit
20
Diagnostic fitting ................................ T ........... Testing
21
Solenoid valve, 3 position 4 way ..... U ........... Secondary boom up/down ............... 20-25 ft-lbs / 27-34 Nm
22
Solenoid valve, 3 position 4 way ...... V ........... Primary boom up/down .................... 20-25 ft-lbs / 27-34 Nm
23
Flow regulator valve,
1.5 gpm / 5.7 L/min
(before serial number 10808)
Flow regulator valve,
1.8 gpm / 6.8 L/min
(after serial number 10807) ............. W ........... Turntable rotate circuit ...................... 20-25 ft-lbs / 27-34 Nm
24
Flow regulator valve,
0.8 gpm / 3 L/min ............................... X ........... Jib boom/platform rotate circuit ........ 20-25 ft-lbs / 27-34 Nm
25
Solenoid valve, 3 position 4 way ...... Y ........... Turntable rotate left/right .................. 20-25 ft-lbs / 27-34 Nm
Содержание Z-30/20N
Страница 1: ......
Страница 4: ...Z 30 20N Z 30 20N RJ Z 34 22 Z 34 22N PartNo 139378 June2011 iv This page intentionally left blank...
Страница 148: ...6 46 June2011 Section 6 Schematics 6 45 Power Cable Wiring Diagram...
Страница 149: ...6 47 Section 6 Schematics June2011 6 48 Drive Contactor Panel Wiring Diagram...
Страница 152: ...6 50 June2011 Section 6 Schematics Manifold and Limit Switch Wiring Diagram 6 49...
Страница 153: ...6 51 Section 6 Schematics June2011 6 52 LVI BCI Option Wiring Diagram...
Страница 156: ...6 54 June2011 Section 6 Schematics 6 53 Charger Interlock Option...
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Страница 160: ...6 58 June2011 Section 6 Schematics Hydraulic Schematic 6 57...