Group PS, Periodic Service
SM 765, Nov ’06 Planned Maintenance • PS-2-3
tires, check the ground strap or chain for
wear and secure attachment.
Check all of the critical components that handle or carry
the load.
Check the overhead guard for damage. Be sure that it is
properly positioned and all mounting fasteners are in
place and tight.
CAUTION
!
If load backrest has been removed, a bolt and
washer must be in place on each end of the
top fork bar to act as a fork stop.
Check the load backrest for damage. Inspect the welds on
the carriage and load backrest for cracks. Be sure that the
mounting fasteners are all in place and tight.
DANGER
!
Uprights can drop suddenly if not properly
blocked. Look at the upright, but keep hands,
tools, etc. out.
IMP
RTANTIMP
RTANT
Uprights and lift chains require special atten-
tion and maintenance to maintain them in
safe operating condition. Refer to Lift Chain
Maintenance in Group 34 for additional
information.
Check the upright assembly. Inspect the upright rails, car-
riage rollers, lift chains, lift and tilt cylinders. Look for
obvious wear and damaged or missing parts. Check for
any loose parts or fittings. Check for leaks, damaged or
loose rollers, and rail wear (metal flaking). Carefully
check the lift chains for wear, rust and corrosion, cracked
or broken links, stretching, etc. Check that the lift and car-
riage chains are correctly adjusted to have equal tension.
Check that the lift chain anchor fasteners and locking
means are in place and tight.
Be sure all safety guards and chain retainers are in place
and not damaged. Inspect the carriage stops and cylinder
retainer bolts. Check all welded connections.
Inspect all lift line hydraulic connections for leaks. Check
the lift cylinder rods for wear nicks, grooves, and
scratches. Check the cylinder seals for leaks. Refer to
Group 34 for details on uprights.
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