Page 14 December 2007
SJ46AJ SJ51AJ SJ63AJ
It is the responsibility of the operator to read, completely understand and follow all
instructions and warnings contained in this operating manual and on the MEWP.
FAMILIARIZATION
2.2-4 Brake System
The brake system is located in the control compartment.
The brakes must be manually disengaged before
pushing, winching or towing. Refer to Section 2.5 for
procedure on how to release brakes manually. The
system contains the following controls:
2
1
Figure 2-3a. Brake System
(Models SJ46AJ & SJ51AJ)
2
1
Figure 2-3b. Brake System
(Model SJ63AJ)
1. Brake Auto Reset Valve Plunger
2. Brake Hand Pump
2.2-5 Differential Lock Switch
This switch is located on the platform control console.
The differential locking system provides more traction
by providing equal drive to each wheel regardless of
traction. Differential locks are used to prevent from
getting stuck when driving on loose, muddy, or rocky
terrain. Refer to Section 2.4-4 for instruction regarding
testing differential lock switch.
WARNING
Before engaging differential lock, ensure
drive/steer controller is in neutral position.
2.2-6 Footswitch
The footswitch is located on the oor of the platform.
When depressed and held, it enables controls on
platform control console.
Figure 2-4. Footswitch
NOTE
The footswitch is equipped with a 15-second
anti-tiedown feature that deactivates
footswitch when operator depresses it for
15 seconds without activating any function.
Control Functions Section 2 - Familiarization
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