Clark GP127E Manuel d'entretien - Page 12

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Group 34, Upright

Raising the hoist/chainfall detach the final lift cylinder

upper mounting bracket from the tie bar hook and out

the front of the upright. Lower the cylinder onto a

pallet or other adequate support.

You are Now Ready To Expose the Rail Rollers

For Shimming

A. To expose the outer rail upper and intermediate rail

lower rollers:

1) Wrap 3/8" chain/safety strap around both the

inner and intermediate rail top tie bars and hook onto

hoist/chainfall.

NOTE

Check to assure that lift chains and

anchors will not catch or jam when

raising and lowering the rails.

2) Raise both rails with hoist/chainfall and re-

move the blocks from under the primary cylinder and

the intermediate rail.

3) Lower the rails to the floor which will expose

the lower intermediate rail rollers. Shim as needed.

NOTE

Both rails must be on the floor at this

Inner rail must remain on the floor during this proce-

time.

dure.

4) Also the outer rail upper rollers are now ex-

posed. Shim as needed.

B. To expose inner rail and intermediate rail upper

rollers:

1) With both rails resting on the floor wrap the 3/

8" chain/safety strap around only the intermediate rail

top tie bar.

NOTE

Check to assure chain anchor mounts

are clear. Also assure the chain and

anchors do not catch or jam when

raising or lowering the rails.

2) Raise the intermediate rail with hoist/chainfall

until a two (2') foot 4x4 block can be inserted horizon-

tally, front to back across the tie bars and under the

top of the intermediate rail tie bar.

3) Lower the intermediate rail until the tie bar

rests on the block.

4) Intermediate rail upper rollers are now ex-

posed. Shim as needed.

5) Inner rail lower rollers are now exposed. Shim

as needed.

34-l-8

Upright

SM 619, Jan '98