77
Wear Parts
Lid Liners
The lid assembly is made up
of three different size liners.
There are twelve outer liners,
twelve middle liners and six
inner liners. Replace lid liners
when they wear to 1/2 their
original thickness.
Use the following procedure to
replace the lid liners:
1.
Remove two bolts from the
inner end of the lid rim and
two bolts that fasten the
lid to the arm. Raise arm
and swing to one side.
2. Fasten lifting chains around
crusher lid.
3. Remove lid from the vertical
shaft impactor and turn
upside down.
4. Remove lid liner bolts and
worn lid liners.
Crusher Lid Assembly
When removing worn lid
liners it is often easier to cut
the bolts on the top side of
thelid.
NOTICE
5. Install new lid liners using
new grade 5 bolts and
coating bolts with blue
Loctite 242.
The following are weights for
the lid liners:
Outer lid liners: up to 31 lbs.
Middle lid liners: up to 60 lbs.
Inner lid liners: up to 22 lbs.
Note: The 4500 VSI has four
sets of liners. 82, 1500, 2500
only have three sets of liners.
6. When installing inspection
door liners, steel spacers
will need to be installed.
Remove these bolts (one on each side) to
disconnectarmfromcrusherlid.
7. Re-install crusher lid by
aligning slots with lugs and
lowering into place.
8. Reattach hydra-arm to the
lid.
9. To secure lid, drive lid
wedges through the slot in
the lugs. Always drive
wedges in the direction of
table rotation
(counterclockwise).
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