57
Figure 2-72
(3) Lowering fork on ground and tilting it backward at max. angle. Keep both of two chains be
same tension by adjusting nut which locate upper end of adjust chain.
7.5.3 Replacement of fork carriage roller
(1) Place a pallet on fork and park forklift on level ground.
(2) Lowering fork and pallet on ground.
(3) Dismantle the top side connector of chain,and take of the chain from chain wheel
(4) Lift inner mast(refer to
①
of figure 2-73)
(5) Dismantle joint of upper end of chain and take off chain from chain wheel. (refer to
②
of
figure 2-73)
(6) Replace main roller.
(a) Dismantle all of clip rings and drag main roller out by three-jaw puller, be careful to
keep adjust shim safe.
(b) To be sure new roller is normal and fit it on its position and lock it by clip ring.
Figure 2-73 Figure 2-74
7.5.4 Replace mast roller see figure 2-74
(1) Dismantle the fork carriage from inner mast with the same method of replacing fork
carriage roller stated in 9.5.3
(3) Tighten the hand brake,back up the rear wheels with wedge block.
(4) Dismantle the bolts for fasting cylinder and inner mast, Sling inner mast,pay attention not
to lost the adjusting pillow on the top of piston rod
(5) Dismantle the connecting bolt between lifting cylinder and inner mast,dismantle the lifting
cylinders and the oil pipe between them,not to loose the oil connector .
(6) Lay down the inner master,dismantle the main roller on the bottom of inner mast.then,the
main roller on the upper side of outer mast will also show out from the top of inner mast.
fork
main roller
fork carriage
Inner mast
Tyre