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Page Title:
Table 20. Water Tank (M50A3) Troubleshooting Procedures. |
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 TM 9-2320-361-24-1
0006 00
MECHANICAL SYSTEMS TROUBLESHOOTING - UNIT (Contd)
Table 20. Water Tank (M50A3) Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Check delivery pump drive shaft
1. If drive shaft is broken, replace
1. WATER CANNOT BE
and universal joints for breaks.
(WP 0292 00 or WP 0293 00).
PUMPED FROM BOTH
TANKS
2. If universal joints are broken,
replace (WP 0141 00).
2. Check transfer PTO for proper
1. If transfer PTO is inoperative,
operation.
check PTO linkage for proper
operation and adjustment
2. If transfer PTO linkage is
operating properly and transfer
PTO is defective, replace PTO
(WP 0348 00).
3. Check delivery pump strainer for
1. If delivery pump strainer is
contamination or restrictions.
restricted, clean or replace
strainer (WP 0284 00).
2. If water system is clean and
delivery pump propeller is
operating at correct speed,
replace delivery pump
(WP 0280 00).
1. Check discharge control cables
Lubricate control cables if
2. WATER CANNOT BE
for proper lubrication
necessary.
PUMPED OR PUMPS
SLOWLY FROM SELECTED
TANK, AND WATER
2. Check discharge control cables
If discharge control cables are
DRAINS SLOWLY FROM
for breaks, bends, or kinks.
broken, bent, or kinked, replace
SELECTED TANK USING
(WP 0290 00).
GRAVITY PROCEDURES
3. Check discharge control cables
If cable requires adjustment,
for improper adjustment.
remove slack in cable
(WP 0290 00).
4. Inspect discharge valve tubes for
If discharge valve tubes are bent,
bent, crushed, broken, or leaking
crushed, broken, or leaking, replace
tubes.
(WP 0289 00).
5. Inspect discharge valves for
If discharge valves are broken or
proper operation.
inoperative, replace (WP 0289 00).
1. Check transfer PTO speed
Adjust transfer PTO speed control
3. WATER PUMPS OUT OF
control linkage for proper
linkage (WP 0294 00).
BOTH TANKS MORE
operation and adjustment
SLOWLY THAN NORMAL
(WP 0294 00).
2. Remove delivery pump strainer
1. If delivery pump strainer is
and check for restrictions (WP
restricted, clean or replace
0284 00).
(WP 0284 00).
2. If water system is clean and
water still pumps slowly, replace
delivery pump (WP 0280 00).
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