TM 9-2320-260-34
16-34. CRANE SHIPPER, BOOM, BOOM EXTENSION, AND ROLLERS
MAINTENANCE (M819) (Contd)
6.
Using feeler gage, measure gap (11) and assemble two sets of new shims (9), each being equal in
thickness to one-half the measured thickness of gap (11).
Remove eight screws (1) and two caps (3) from shipper (10).
7.
With roller (6) positioned in shipper (10), install required number of new shims (9) and two caps (3)
8.
on shipper (10) with eight new lockwashers (2) and screws (1).
Measure distances "A" and "B" between flange of collars (4) and inside of shipper (10). Record
9.
measurements. Distances "A" and "B" are correct if measurements are the same.
NOTE
If distances "A" and "B" do not measure the same, perform steps
10 through 13 to center roller in shipper.
10.
Remove eight screws (1) and lockwashers (2) from caps (3) and shipper (10).
11.
Remove cap (3) on side with longer distance measured, and remove shims (9) from cap (3) equal in
thickness to one-half the difference of distances "A" and "B."
12.
Remove other cap (3) and place required number of shims (9) removed in step 11 on cap (3).
Perform step 8.
13.
14.
Install two grease fittings (7) on caps (3).
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