4 manual descent system, 5 emergency operation, Operator unable to control machine – JLG M4069 Operator Manual User Manual
Page 64: Platform caught overhead, Manual descent system -2, Emergency operation -2
SECTION 5 - EMERGENCY PROCEDURES
5-2
– JLG Lift –
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5.4
MANUAL DESCENT SYSTEM
The manual descent system is used, in the event of total power
failure, to lower the platform using gravity. Pull the handle
located at the rear of the machine just behind the ladder.
MANUAL DESCENT ON THE 4069LE DOES NOT COMPLETELY LOWER THE
PLATFORM. TO LOWER COMPLETELY, USE THE LOWER FUNCTION AT THE
GROUND CONTROL. THE PLATFORM WILL LOWER THE LAST SEVERAL INCHES
(CM) AT GRAVITY SPEED. KEEP CLEAR OF DESCENDING PLATFORM.
5.5
EMERGENCY OPERATION
Operator Unable to Control Machine
NOTE:
If the platform operator is pinned, trapped or unable to
operate or control machine:
1. Other personnel should operate the machine from
ground controls only as required.
2. Other qualified personnel on the platform may use the
platform controls. DO NOT CONTINUE OPERATION IF
CONTROLS DO NOT FUNCTION PROPERLY.
3. Cranes, forklift trucks or other equipment which may
be available are to be used to remove platform occu-
pants and stabilize motion of the machine.
Platform Caught Overhead
If the platform or boom becomes jammed or snagged in over-
head structures or equipment, rescue platform occupants prior
to freeing the machine.