TM 9-2320-260-34-2
16-26. CRANE TURNTABLE MAINTENANCE (M816) (Cont'd)
c. Cleaning, Inspection, and Repair
1. For general cleaning instruction, refer to para 2-8.
2. For general inspection instructions, refer to para. 2-9.
3. Replace all worn or unrepairable parts.
4. Repair damaged part(s) (para. 2-10).
5. Replace ring (29) and/or gear (27) if part is worn, damaged, or defective.
6. Repair minor cracks and broken welds (TM 9-237).
1. Wrap all male pipe threads on tee fittings (3) and (15), adapters (14) and (19), hose (13), adapter (2),
elbows (1) and (12), hoses (20) and (11), elbows (5) and (10), and tee fitting (4) with antiseize tape.
2. Install tee fittings (3) and (15) on crosstube (17).
3.
Install
adapters (14) and (19) on tee fittings (3) and (15).
4.
Install
hoses (13) and (18) on adapters (3) and (15).
5.
Install
adapter (2) and elbows (1) and (12) on tee fittings (3) and (15).
6.
Install
hoses (20) and (11) on elbows (1) and (12).
7.
Install
elbows (5) and (10) on crosstube (6).
8. Install tee fitting (4) on elbow (5).
9. Install two braces (9) on boom support (16) with eight new Iockwashers (7) and screws (8).
NOTE
Coat all internal surfaces and parts lightly with GAA grease
before installation.
10. Position ring (29) and gear (27) on supports with bearing races (28) alined. Shim if necessary.
11. Install fifty-four springs (25) and bearings (26) in races (28).
12. Install plug (24) and pin (21) in ring gear (22).
13. Install grease fitting (23) in plug (24) and lubricate bearings (26) (LO 9-2320-260-12).
14. Install chain on ring gear (22) with two washers (31), screw (32), and nut (33).
WARNING
All personnel must stand clear during lifting operations.
A swinging or shifting load may cause injury to personnel.
Ensure lifting capacity is greater than weight of ring gear.
Failure to do so may result in injury to personnel or damage
to equipment.
NOTE
Assistant will help with step 15.
15. Attach chain to lifting device and position ring gear (22) on turntable frame (34). Ensure ring
gear (22) is flush against turntable frame (34).
16. Remove nut (33), screw (32), two washers (31), and chain from ring gear (22).
17. Install ring gear (22) on turntable frame (34) with eighteen socket-head screws (30). Tighten socket-
head screws (30) to 170-200 lb-ft (231-271 N*m).
16-160
