Lockout cylinder bleeding, Lockout cylinder bleeding -39, Oscillating valve adjustment -39 – JLG 660SJ ANSI Service Manual User Manual
Page 93: Brake valve wiring connection -39
SECTION 3 - CHASSIS & TURNTABLE
3120718
– JLG Lift –
3-39
3.9 OSCILLATING AXLE BLEEDING
PROCEDURE AND LOCKOUT TEST
Lockout Cylinder Bleeding
ENSURE PLATFORM IS FULLY LOWERED AND BOOM IS CEN-
TERED OVER REAR AXLE PRIOR TO BEGINNING BLEEDING
PROCEDURE.
E NS UR E M A CH I NE IS O N A L E V E L S U R FA C E A N D REA R
WHEELS ARE BLOCKED, BRAKE WIRE IS DISCONNECTED.
1.
Making sure machine is on a level surface and rear
wheels are blocked, brake wire is disconnected.
2.
Center boom over rear axle making sure that cam
valve is depressed.
3.
Using a Phillips screwdriver, remove screw from
connection on the brake valve and remove connec-
tor as shown.
4.
Use suitable containers to retain any residual
hydraulic fluid, place containers under each lockout
cylinder.
5.
Open all four bleeder screws (two on each lockout
cylinder).
Figure 3-22. Oscillating Valve Adjustment
Figure 3-23. Brake Valve Wiring Connection