TM 9-2320-260-34
16-34. CRANE SHIPPER, BOOM, BOOM EXTENSION, AND ROLLERS
MAINTENANCE (M819) (Contd)
1. Install two chains (4) and linch pins (5) on boom extension (10) with two screws (3).
2. Install anchor pin (6) on boom extension (10) with two linch pins (5).
NOTE
Assistant will help with step 3.
3. Install four thrust washers (1) and two sheaves (2) on boom extension (10) with pin (8) and screw (7).
4. Install grease fitting (9) on pin (8).
p. Upper Roller Installation
NOTE
This procedure may be performed on-vehicle. Adjust lower roller
to lowest position. Adjust lower roller after installation. Refer to
TM 9-2320-260-20 for lower roller adjustment.
1. Install upper roller housing (11) on shipper (12) with six new lockwashers (14) and screws (13).
2. Adjust lower middle roller after boom is installed (TM-9-2320-260-20).
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