SECTION 3 – MACHINE CONTROLS, INDICATORS AND OPERATION
– JLG Lift –
3-11
Platform Manual Descent Valves - 8E/20E
The platform manual descent valves are used in the event of
total power failure to lower the platform using gravity.
These devices are composed of:
- a mast manual descent valve
- a jib manual descent valve
DO NOT USE THE MANUAL DESCENT CONTROLS IF THE SLACK CHAIN WARN
-
ING ALARM IS ACTIVE. REFER TO SECTION 4 FOR SPECIFIC RECOVERY PROCE
-
DURES.
WHEN USING THE MANUAL DESCENT CONTROL, ENSURE THE MAST ELE
-
MENTS ARE LOWERING SYNCHRONOUSLY.
1.
To lower the mast:
a.
Install the actuator on the remote pull bar.
b.
Pull on the actuator. Release the actuator when the
platform is lowered to the desired level.
c.
Return the actuator to the battery storage compart
-
ment after use.
2.
To lower the jib once the mast is fully retracted, push
in the manual descent valve override button. Release
the button when the platform is lowered to the
desired level.
KEEP BODY, HANDS AND ARMS OUT OF THE PATH OF THE MAST, THE JIB AND
THE PLATFORM WHILE LOWERING.
To
order go
to
Discount-Equipment.com