Minimum Periodic Inspections - CM LODESTAR 635 Serie Manuel D'entretien, D'opération Et De Pièces

Table 4 Minimum Frequency Inspections
Type of Service
Normal
Monthly Weekly to Monthly
Table 5 Minimum Periodic Inspections
Type of Service
Normal
Yearly Every Six Months
*When tightening the special, dead end socket head screw, it should be held firmly in place and torqued from the nut end only to avoid damage to the screw and/or dead end chain link (Refer to
step J on page 49).To measure opening, depress latch against hook body as shown.
Minimum Frequency Inspections
Heavy Severe
Daily to Weekly

Minimum Periodic Inspections

Heavy Severe
Every Three Months
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 12.
d) Load chain for adequate lubrication, as well as for signs of wear, damaged links
or foreign matter – see page 14.
e) Load chain for proper reeving and twists.
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
suspension 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 guides for
wear or burring where the chain enters the hoist. Severely worn or damaged
parts should be replaced.
f) External evidence of excessive wear or brake parts and brake adjustment – see
page 16. v
g) External evidence of pitting or any deterioration of contactor contacts. Check the
operation 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 bearings 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 5).
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.
m) On the Models RT, RT-2, RRT and RRT-2:
1. Inspect shackle and lug pins for wear. Replace if worn.
2. Check dead end screw in lower hook block for wear and tightness.*
Replace if worn.
3. Check shackle pin for proper seating in groove of load bracket.
4. Inspect cloverleaf plate on bottom of sheave hanger for wear or burring.
Replace if worn.
5. Inspect sheave stud nut and seat for wear. Replace if worn or damaged.
15
(ENGLISH)
Item
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P/N: 83874 (REV. 627-T) September 2016