You must position these blocks accurately; therefore,
measure the distances with a tape measure (fig. 1-18).
Lower the powerpack until it is about one foot above the
blocks and ensure you have placed the blocks correctly.
Blocking the Powerpack.
Lower the powerpack until it rests on the wood blocks.
Continue lowering the hoist until all three chains (4) have
loosened enough for you to unhook them. Remove the pin (5)
from the clevis (6) and the clevis of the powerpack.
Reinstall the pin in the clevis.
Unhook the two chain
hooks (7) from the lifting eyes (8)(fig. 1-19).
Place the sling on the top deck and grilles and unhook the
sling from the hoist.
m. Remove the Two Side Housing Caps.
Remove the right-side cap
(11) from the side housing and inspect the
cap for damage, pits, and
scores; replace the cap if necessary.
Install the cap housing.
Remove and inspect the left-side cap using
the same process (fig. 1-