Instruction manual

2) Carefully place the casing cover over the
pressure system dowel pin. Ensure it sits
directly over the pin!!! (Figure 334).
3) Place one hand on the casing cover. Using a
dead blow RUBBER mallet, tap the cover
onto the base as shown in Figure 335.
4) Using a hammer and dowel pin, realign the
roll pins flush with the base.
5) Reinstall the M6 casing cover
screws, washers and square nuts (See
Figure 305).
6) Reinstall the Blocstop straps and Blocstop.
7) Load test the hoist and check the Blocstop
functions properly.
3-9 Pressure System Replacement
{Code #23257, Pos. 80}
If damage has occurred to the pressure system
by a rope jam (see Section 3-6, Step 4), the
pressure system must be replaced.
1) Carefully remove the pressure system dowel
pin by lifting it straight out its position. Be
sure not to damage the pin. If damage does
occur, gently remove any burrs with emery
cloth.
2) Lift the pressure system from the casing
base. Replace the unit.
3) After removal of the old system replace it with
a new unit {Code #23257, Pos. 80}.
5) Install the pressure system dowel pin into the
casing base first.
6) Grease the pressure system with wheel
bearing grease or white lithium grease.
14
NOTE
Keep pressure on the cover to prevent damage
to the cover.
NOTE
General service of the wire rope drive system is
now complete. If during the general service
damage was discovered proceed as follows.
CAUTION
Ensure that the cotter pins are bent completely over
to prevent any sharp edges.
Figure 335
Figure 334
WARNING
DO NOT use molybdenum disulphide (moly-b)
grease or graphite type grease!
WARNING
It is prohibited to attempt repair
of the pressure system.