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SJ63 AJ+, SJ63 AJ 229043AAA
Boom Section 5 – Procedures
5.4-22 Test Riser Boom Limit Switch
1. Turn the main power disconnect switch to the on
position .
2. On the base control console, turn the base/off/
platform key switch to the platform position
.
3. Ensure both emergency stop buttons are pulled
out
.
4. On the platform control console, select the on
position from the engine enable switch .
5. Select the start position from the engine start/on/
off switch to start the engine
.
6. Depress and hold the footswitch.
7. Raise the riser boom 1.2 m (4 ft.) above ground
and then slowly move drive/steer controller to
the full drive position
.
▪
Result: The maximum achievable drive speed
should be significantly less than stowed drive
speed.
8. Shut down the machine and return it to a fully
stowed position.
5.4-23 Replace Limit Switch - Fly Boom
The fly boom limit switch is located on the outside
face of the main boom weldment and is mounted in
between the cable track assembly and the main boom
assembly. This limit switch consists of a normally
closed contact and controls the MEWP elevated drive
speed.
1. Ensure the MEWP is on a firm level surface.
2. Ensure the boom is completely retracted and the
platform fully lowered.
3. Push in the emergency stop button on the
platform control console and the base control
console
.
4. Turn the base/off/platform key switch to the off
position. Remove the key .
5. Turn the main power disconnect switch to the off
position
.
6. Free the fly boom limit switch harness by cutting
the tie wrap from the limit switch mounting
bracket.
7. Remove the fly boom limit switch retaining
hardware and discard the limit switch.
8. Adjust the fly boom limit switch steel roller lever
to the following specifications.
2.58”
90°
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