JLG G6-42A Service Manual - Manual (Page 141)

8-7 G6-42A, G9-43A, G10-43A
Hydraulic System
8.4.3 Pressure Specifications - G9-43A & G10-43A
a. Before S/N 0160040675 excluding 0160040468 & 0160040672
Hydraulic
Circuit
Test Port Function Used to Test Adjustment
Location
Pressure Range
Pilot TP (A) Connect gauge to P1 port, run engine at
high idle. No Function
1 450 - 550 psi
(31,0 - 38,0 Bar)
Steering Primary (B) Connect gauge to Primary port, run
engine at high idle, bottom out steering.
Hold over relief and check pressure.
2 2350 - 2550 psi
(162,0 - 175,8 Bar)
Service Brake P1 (C) Connect gauge to P1 port, run engine at
high idle, bottom out steering. Hold over
relief and check pressure.
3 1090 - 1110 psi
(75,1 - 76,5 Bar)
Boom Lift,
Extend/Retract,
Frame Level
Secondary (D) Connect gauge to Secondary port, run
engine at high idle, bottom boom extend.
Hold over relief and check pressure.
4 3750 - 3850 psi
(258,5 - 265,4 Bar)
MY0320
4
MY6150
A
1
B
3
D
C
2