JLG G6-42A Service Manual - Manual (Page 142)

Hydraulic System
8-8 G6-42A, G9-43A, G10-43A
b. S/N 0160040675 & After including 0160040468 & 0160040672
Hydraulic
Circuit
Test Port Function Used to Test Adjustment
Location
Pressure Range
Stand By P1 (A) Connect gauge to P1 port, run engine at
high idle. No Function
1 250 - 265 psi
(17,2 - 18,2 Bar)
Priority Load
Sense
(Steering)
GLS (B) Connect gauge to GLS port, run engine at
high idle, bottom out steering. Hold over
relief and check pressure.
2 2400 - 2500 psi
(165,4 - 172,3 Bar)
Pilot JS1 (C) Connect gauge to P1 port, run engine at
high idle, bottom out steering. Hold over
relief and check pressure.
3 500 - 550 psi
(34,5 - 37,9Bar)
Service Brake BV1 (D) Connect gauge to BV1 port, run engine at
high idle, bottom out steering. Hold over
relief and check pressure.
4 1050 - 1150 psi
(72,3 - 79,2 Bar)
Main P1(A) Connect gauge to P1 port, run engine at
high idle, bottom boom retract. Hold over
relief and check pressure.
5 3800 - 3900 psi
(262,0 - 269,0 Bar)
Boom Extend GLS(B) Connect gauge to GLS port, run engine at
high idle, bottom boom extend. Hold over
relief and check pressure.
N/A 3800 - 3900 psi
(262,0 - 269,0 Bar)
Boom Retract GLS(B) Connect gauge to GLS port, run engine at
high idle, bottom boom retract. Hold over
relief and check pressure.
N/A 3800 - 3900 psi
(262,0 - 269,0 Bar)
Boom Lift GLS(B) Connect gauge to GLS port, run engine at
high idle, bottom boom lift. Hold over relief
and check pressure.
N/A 3800 - 3900 psi
(262,0 - 269,0 Bar)
Auxiliary
Hydraulics
GLS(B) Connect gauge to GLS port, run engine at
high idle, bottom function. Hold over relief
and check pressure.
N/A 2633 - 2733 psi
(181,5 - 188,4 Bar)
MY6100
5
2
MY6080
A
B D C
1 3 4