JLG 4017RS Service Manual - Manual (Page 135)

8-5 3614RS, 4017RS
Hydraulic System
d. Pressure Specifications
Note: All pressure check are to be performed at High Idle unless noted.
Hydraulic
Circuit
Test Port Procedure Adjustment
Location
Pressure Range
1 Steer Pressure LS1 (A)
Connect gauge to LS1 port, select 2
wheel steer, run engine at high idle, turn
steering wheel one direction to lock.
Hold and check pressure.
Note: Do not operate any other function
while checking pressure.
N/A
175-185 Bar
(2538-2683 PSI)
2 Load Sense LS1 (A)
Connect gauge to LS1 port, level boom
and bottom boom retract.
N/A
265-275 Bar
(3843-3988 PSI)
3
Maximum Pump
Pressure
P1 (B)
LS1 (A)
V (C)
Connect gauge to P1 port, retract boom
and bottom against frame. Repeat using
port LS1, then port V.
1
275-285 Bar
(3988-4133 PSI)
4
Stand-By
Pressure
P1 (B)
LS1 (A)
V (C)
Connect gauge to P1 port, check
pressure at Low idle with no function.
Repeat using port LS1, then port V.
N/A
30-34 Bar
(435- 493 PSI)
7
Auxiliary
Pressure
Auxiliary
Port
Connect gauge to Auxiliary Coupling,
check pressure at coupling.
N/A
270-290 Bar
(3916-4209 PSI)
MZ7740
A
C
B
1