STANDARD HANDBOOK OF PETROLEUM & NATURAL GAS ...

Hoisting System 553
INSPECTION:
Heave compensator designs vary considerably among manufacturers, therefore, manufacturers’
recommendations should be closely followed. In general, load caving members
should be checked for wear, cracks, flaws, and deformation. For compensators with integral
traveling block and hook adaptor, the procedures defined in Figures. 4-16 and 4-17 apply
to those parts of the assembly.
MAINTENANCE:
1. Keep clean.
2. Follow manufacturer’s recommendations for specific unit.
3. For compensators with integral traveling block and hook adaptor, the procedures in
Figures. 4-16 and 4-17 apply to those parts of the assembly.
4. Remove any rust and weather protect as required.
Ref. 4, p. 23
Flgure 4-34. Heave compensator [lo].
INSPECTION:
Tension members for sub sea handling equipment should be inspected according to
the manufacturers’ recommendations. In general, tension members should be checked
for wear, cracks, reduction of area and elongation.
MAINTENANCE:
1. Tension members in sub sea handling equipment should be maintained in accordance
with manufacturer’s recommendations.
Figure 4-35. Tension members of subsea handling equipment [lo].
Straight edge
I
Hinqe pin
check for wear
Insert slat
check for wear
Cracked wet
MAINTENANCE:
1.
2.
3.
4.
5.
6.
Keep clean.
Check the insert slots for wear and replace inserts
as required.
Lubricate hinge pin.
Remove any rust and protect as required.
Use straight edge to detect uneven wear or damage.
Caution: Do not use wrong size slips-Match
and slip size.
Figure 4-36. Rotary slips [lo].
pipe