JLG G6-42A Service Manual - Manual (Page 140)

Hydraulic System
8-6 G6-42A, G9-43A, G10-43A
8.4.2 Pressure Specifications - G6-42A
Hydraulic
Circuit
Test Port Procedure Adjustment
Location
Pressure Range
Service/Park
Brake
TP (A) Connect gauge to TP port, run engine at
low idle.
1 450 - 550 psi
(31,0 - 37,9 Bar)
Stand By P1 (B) Connect gauge to P1 port, run engine at
low idle.
2 550 - 650 psi
(37,9 - 44,8 Bar)
Steering CF1 (C) Connect gauge to CF1 port, run engine at
high idle, bottom out function. Hold over
relief and check pressure.
Consult
Factory
2500 - 2700 psi
(172,3 - 186,1 Bar)
Boom Lift EF1 (D) Connect gauge to EF1 port, run engine at
high idle, bottom out function. Hold over
relief and check pressure.
3 3800 - 4200 psi
(262,0 - 289,5 Bar)
Boom Retract EF1 (D) Connect gauge to EF1 port, run engine at
high idle, bottom out function. Hold over
relief and check pressure.
3 3800 - 4200 psi
(262,0 - 289,5 Bar)
Boom Extend EF1 (D) Connect gauge to EF1 port, run engine at
high idle, bottom out function. Hold over
relief and check pressure.
4 3800 ± 50 psi
(262,0 ± 3,4 Bar)
Fork Tilt EF1 (D) Connect gauge to EF1 port, run engine at
high idle, bottom out function. Hold over
relief and check pressure.
5 4100 - 4500 psi
(282,6 - 310,2 Bar)
Frame Level EF1 (D) Connect gauge to EF1 port, run engine at
high idle, bottom out function. Hold over
relief and check pressure.
3 3800 - 4200 psi
(262,0 - 289,5 Bar)
MY0320
3
4 5
MY6010
1
2
A
B
C
D