44
SJ6826 RT, SJ6832 RT
221587ABA
Section 4 – Inspections Before Operation Function Tests
4.3-4 Do a test of the idle/platform/base
key switch
1. Pull the emergency-stop button.
2. Start the engine.
WARNING
Look for overhead obstructions or other possible
hazards around the MEWP when you raise the
platform. Do not lower the platform unless the area
below is clear of personnel and obstructions. If
you do not obey, there is a risk of death or serious
injury.
3. Turn the idle/platform/base key switch to the
platform position.
4. Move and hold the lower/neutral/raise switch
4
in the raise position.
▪
Result: You cannot raise the platform.
5. Turn the idle/platform/base key switch to the
base position.
6. Move and hold the lower/neutral/raise switch
in the raise position.
▪
Result: The platform raises.
4.3-5 Do a test of the emergency-
lowering function
WARNING
Look for overhead obstructions or other possible
hazards around the MEWP when you raise the
platform. Do not lower the platform unless the area
below is clear of personnel and obstructions. If
you do not obey, there is a risk of death or serious
injury.
1. Raise the platform.
2. Push the emergency-stop button on the base
control console.
3. Find the manual override knob
6
of the
holding valve at the bottom of each lift cylinder.
4. Press and turn the manual override knob
counterclockwise until it stops. If it is necessary,
use the access rod on the base of the MEWP.
5. Pull out and hold the emergency-lowering valve
5
.
▪
Result: The platform lowers.
6. Press and turn the manual override knob of the
holding valve clockwise until it stops to restore
normal operation.
5
6
4
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