TM 9-2320-260-34-2
15-14. ROLLER ARM MAINTENANCE (Contd)
b. Disassembly
1.
Using punch and hammer, remove two pins (2) from roller pin (6) and roller arm (4).
2. Remove two lubrication fittings (5) from roller pin (6).
3. Using brass drift and hammer, drive roller pin (6) from roller arm (4) and roller (7).
4.
Remove roller (7) from roller arm (4).
c. Cleaning and Inspection
1.
For general cleaning instructions, refer to para. 2-8.
2. Inspect roller (7) and roller pin (6) for cracks and deep grooves. Replace roller (7) or roller pin (6)
if cracked or deeply grooved.
Inspect roller arm (4) for breaks and cracks. Replace roller arm (4) if broken or cracked.
3.
4, Inspect two bearings (3) (TM 9-214). Replace bearings (3) if damaged.
NOTE
Perform steps 5 and 6 if bearings are to be replaced,
q
q Apply GAA grease to bearings for installation.
5. Using brass drift and hammer, drive bearings (3) from roller arm (4). Discard bearings (3).
6. Using wood block and hammer, install bearings (3) flush into roller arm (4).
1. Position roller (7) in roller arm ( 4 )
NOTE
Apply a light coat of GAA grease to roller pin before installation
Using soft-head hammer, install roller pin (6) in roller arm (4) and roller (7).
2.
3. Install two lubrication fittings (5) on roller-pin (6).
4. Install roller (7) on roller arm (4) with two pins (2).
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