Cylinders Holding Valves; Mast Cylinder Holding Valve - JLG TOUCAN 8E Service And Maintenance Manual

7.5 CYLINDERS HOLDING VALVES

Mast Cylinder Holding Valve

Figure 7-14. Mast Cylinder Holding Valve - Removal/
Installation
Valve Removal
ENSURE THAT THE MAST IS FULLY LOWERED (OR SAFELY SUP-
PORTED) BEFORE DISMOUNTING THE VALVE. DISCONNECT
BATTERY PLUG UNTIL THE REPAIRS ARE COMPLETED.
1. Remove chassis hoods. Swing the structure 90° to
the right. Fully raise the mast and install suitable
blockings to support mast section #2 (Refer to Sec-
31210090
tion 5). Lower the mast until mast section #2 rests
on blockings. Turn power off at ground controls. Dis-
connect battery plug.
2. Remove the carter and the seal cover plate (T8E/
T20E).
3. Tag, disconnect and cap mast cylinder hydraulic
lines and ports (1).
4. Remove the spring ring (7) from the elbow adapter.
5. Unscrew coil nut (2), remove the manual override
device (3), the O-ring (4) and the coil (5).
6. Unscrew the valve mounting screw (6) and plug the
cylinder port (3/8" BSPP).
– JLG Lift –
SECTION 7 - HYDRAULICS
7-7