STANDARD HANDBOOK OF PETROLEUM & NATURAL GAS ...

Hoisting System 549
Weor of pins and holes
Grease bock surface of slips
Check for broken springs
Caliper for weor and
check for crocks
(both sides)
Broken springs
8ody crocks -goge for
weor (both sides)
cks and wear in latch
MAINTENANCE: Check 'lips
1. Keep clean.
2. Grease coat link arm wear surfaces and latch lug.
3. Lubricate hinge pin.
4. Remove any rust and weather protect as required.
5. Clean inserts. Replace when worn.
6. Tighten all loose fasteners.
Figure 4-26c. Casing, tubing, and drill pipe elevators, slip type elevators [lo].
Freedom
MAINTENANCE:
to *cks trunnion ond eye ot of base boll of
1. Keep clean.
2. Grease coat rod seating area, bail throat and latch
mechanism.
3. Oil pins not accessible to grease lubrication.
4. Remove any rust and weather protect as required.
5. Check and secure pins and fasteners.
Figure 4-27. Sucker rod elevators [lo].