|
| |
TM 5-4210-220-12
4-14. HOSE REEL ASSEMBLY - Continued
REPLACEMENT
a.
Reel Assembly Replacement.
(1)
Unreel hose (1) and disconnect from hose reel fitting (A).
(2)
Disconnect chain linkage (8) and remove chain (2) from reel sprocket.
(3)
Disconnect air blow out and water drain valve linkages (11) and (12) and disconnect air hose (13).
(4)
Disconnect hose (3) from elbow-valve-and-pipe assembly (4) Remove the valve-and-pipe assembly (4)
from hose reel (5).
(5)
Place wooden blocks or other suitable support underneath hose reel frame and remove locknuts (6) and
bolts (7).
(6)
Remove support placed under hose reel and pull reel away from truck.
(7)
Inspect new hose reel to ensure it is undamaged.
(8)
Place and support new hose reel (5) in assembly position with truck frame, i e, mounting holes alined.
(9)
Install bolts (7) and locknuts (6), and remove reel support. Tighten locknuts to 160 ft lb (2.5 Nm).
(10)
Apply pipe sealant (Item 22, Appendix E) to elbow-valve-and-pipe assembly (4) and install on hose reel.
(11)
Connect hose (3) to the assembly (4).
(12)
Connect valve linkages (11) and (12) to blow out valve lever and drain valve lever. Install air hose (13).
(13)
Loosen motor mounting bolts and locknuts (9) and slide motor (10) toward the rear of the truck.
Wrap chain (2) around reel sprocket and install linkage (8).
(14)
Slide motor (10) forward until chain is properly tensioned (1/2 in. (13 mm) deflection midway between
reel and motor sprockets). Tighten bolts and locknuts (9) to 20 ft lb (25 Nm).
(15)
Attach fire hose (1) to reel connector and rewind hose. Observe the chain drive. If chain jumps on
motor sprocket, it is too loose if motor is slow and noisy, chain is too tight. Readjust chain tension
if necessary.
4-135
|
