Group SA, Safe Maintenance
SA-2-2 • Lifting, Jacking, and Blocking SM 765, Nov '06
CAUTION
!
To perform these service procedures, first:
• Park truck on a level surface.
• Put the upright in a vertical position and lower the
carriage fully down.
• Return control handle to neutral and turn key
switch OFF.
WARNING
!
Defective equipment can cause accidents:
All tools and lifting equipment must be in
good condition, meet the load capacity
requirements and have OSHA labels when
required. Tools with defects can fail, causing
severe injury or death.
Raising Drive Wheels
This procedure uses the upright as a lever to lift the drive
wheels off the floor and prevent accidents due to inadvert-
ent powering of the drive wheels.
1. Park the truck safely.
2. Turn key switch ON. Tilt the upright fully back.
3. Put a solid 100 x 100 mm (4 x 4 inch) hardwood
block under the front section of each upright rail. Put
a 3-6 mm (0.125-0.250 inch) steel plate on top of
each block.
4. Tilt the upright fully forward. This will raise the
drive wheels off the floor.
GENERIC ILLUSTRATION
5. Block the truck under the frame behind the drive
wheels with solid blocking.
6. Turn key switch OFF.
7. Check for safe clearance between drive wheels,
block and floor.
8. Check the stability of the truck. Be sure that the
blocks are located securely under the frame before
operating the drive motor or working on truck.
9. Lower the drive wheels to the floor by reversing this
procedure.
• Turn key switch ON.
• Tilt upright fully back.
• Turn key switch OFF.
10. Remove the blocks from under the frame and upright
rails.
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