CM-ET Lodestar - Manual (Page 13)

TYPE OF SERVICE
ITEM
Normal Heavy Severe
a) Brake for evidence of slippage.
b) Control functions for proper operation.
c) Hooks for damage, cracks, twists, excessive throat opening, latch engagement and latch
operation - see page 10.
d) Load chain for adequate lubrication, as well as for signs of wear, damaged links or foreign
matter - see page 10.
e) Load chain for proper reeving and twists.
Table 5. Minimum Periodic Inspections
TYPE OF SERVICE
ITEM
Normal Heavy Severe
a) All items listed in Table 4 for frequent inspections.
b) External evidence of loose screws, bolts or nuts.
c) External evidence of worn, corroded, cracked or distorted hook block, suspension screws,
gears, bearings and dead end block and chain pin.
d) External evidence of damage to hook retaining nut and pin. Also check the upper suspen-
sion adapter making sure it is fully seated in the hoist frame and that both screws are tight.
e) External evidence of damage or excessive wear of the liftwheel and hook block sheave
chain pockets. Widening and deepening of the pockets may cause the chain to lift-up in
the pocket and result in binding between liftwheel and chain guides or between the sheave
and hook block. Also, check the chain guide for wear or burring where the chain enters the
hoist. Severely worn or damaged parts should be replaced.
f) External evidence of excessive wear of brake parts, and brake adjustment - see page 11.
g) External evidence of pitting or any deterioration of contactor contacts. Check the opera-
tion of the control station making sure the buttons operate freely and do not stick in either
position.
h) Inspect the electrical cords and cables and control station enclosure for damaged insulation.
i) Inspect trolley trackwheels for external wear on tread and flange and for wear on internal
bearing surfaces as evidenced by a looseness on the stud. Suspension components for
damage, cracks, wear and operation. Also check suspension adapter screws for proper
tightness - see page 4.
j) Inspect the loose end link, loose end screw and dead end block on double reeved units.
Replace worn or distorted parts.
k) Inspect the suspension lug or hook for excess free play or rotation. Replace worn parts as
evidenced by excess free play or rotation.
l) Inspect for signs of lubricant leaks at the gasket between the gear housing and back
frame. tighten screws holding back frame to gear housing. If leak persists, repack housing
and gears with grease and install a new gasket.
Monthly W
eekly
to Monthly
Daily
to W
eekly
Y
early
Every 6 Months Every 3 Months
Table 4. Minimum Frequent Inspections
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