C 2, TM 9-6650-221-35
Table 6-2. Washer, Pump, and Reservoir Assembly Troubleshooting
Lowest
Malfunction
Probable cause
Corrective action
maintenance
category
DS
a. Check tubing for proper connection to
1. Cleaning fluid is not distributed a. Tubing defective, blocked or not
reservoir fitting and check valve
properly connected between
to individual washers or any of
assembly fitting.
Tighten either
reservoir and malfunctioning
the washers when washer
connection if necessary.
Inspect
washer(s).
pump is activated.
tubing for holes or a break. Replace
tubing (para 6-9).
DS
b. Stopped-up reservoir outlet
b. Disconnect tubing from reservoir
outlet fitting and observe that liquid
flows from the reservoir. Replace
reservoir assembly (para 6-9).
DS
c. Defective washer pump 1260-
c. Disconnect tubing 8589761-14 from
944-5127 (18, fig. 6-6).
check valve assembly 8589809 and
tubing 8589761-12 from tee 4730-
905-9796. Insert tubing 8589761-14
into a container of water by
depressing the bellows.
Water
should flow from tubing 8589761-12
when the pump is operated. Replace
pump (para 6-9).
Depot
a. Operate bellows of pump several
a. Defective
check
valve
2.
Bellows must be operated
times until liquid is being distributed
assembly 8589809 (15, fig. 6-
several times to obtain output
by washers. Disconnect tubing from
from washers
check valve and inspect check valve
fitting for leakage. Replace check
valve assembly.
b. Defective washer pump 1260-
b. Proceed as specified in 1c above.
DS
944-5127 (18, fig. 6-6).
1
Cap 8589803
14 Clip 8589915
2
Tubing, rubber 8589761-16
15 Check valve assembly 8589808
3
Tubing, rubber 8589761-14
16 Screw, cap, socket head: 1/4-20 UNF-3A, lg
4
Tubing, rubber 8589761-12
5305-052-9329
5
Tubing, rubber 8589761-10
17 Washer; lock: no. 1/4, 5310-043-5862
6
Tee, hose: 4730-905-9796
18 Pump, washer 6650-944-5127
7
Tubing, rubber 8589761-11
19 Nut, self-locking, 1/4-20 UNF-3A MSS51968-2
8
Tubing, rubber 8589761-9
20 Washer, lock, no. 1/4 MS35337-82
9
Tee, pipe: 4730-905-9066
21 Screw, cap, socket head: 1/4-20 UNF-3A, Ig
10
Tubing, rubber 8589761-3
5305-958-7667
11
Screw, cap, socket head: -20 UNF-3A, Ig,
22 Washer, flat, no. 10 (2) MS15795-810
5305-052-9329
23 Bracket 10512002
12 Washer, lock, no. , 5310-582-5677
24 Reservoir 10516814
13 Washer, flat, no. 10, 5310-933-8121
Figure 6-6. - Continued.
6-8
