Table 2-4. Preventive Maintenance Checks and Services for Handling Equipment (Continued)
Q - Quarterly
S - Semiannually
A - Annually
CHECK FOR AND HAVE
IS NOT READY/
REPAIRED OR ADJUSTED
B D A D W M Q S A
a. Inspect hoist cables for fraying, bends or
kinks. Repair or replace as necessary.
Lubricate with wire rope compound.
b. Inspect hook block for worn sheaves or
broken sheave flanges. Repair or
replace as necessary.
c. Check block for loose or frozen bearings
Bearing loose or
d. Inspect sheave guards and repair if nec-
e. Check the oil level in gearcase and add
MIL-L-2105C oil if necessary using type
and grade as specified by hoist manu-
Inspect electrical connections for loose
connection or damaged wiring.
g. Inspect collectors for shoe wear and
Shoes worn or
alignment, and check the electrical con-
h. Test brakes for operation and adjust if
Lubricate points of wear and bearings in
Inspect all magnetic contactors and
k. Check contactor surfaces for wear or
pitting; replace worn parts.
Check control items for weak springs
and worn bearings. Replace worn items.
Adjust and lubricate the bearing points
with a drop of oil.
m. Inspect limit switches and test opera-
tion. Check contacts. Clean and adjust if