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 TM 55-1905-219-14-8
4-7.11.
PRIMING PUMP AND GEAR HOUSING-MAINTENANCE INSTRUCTIONS.
(3) If the pump should fail to prime, and it is established that the primer pump is in good operating
condition, and all suction connections are tight, it may be necessary to clean the check valve from the impeller
housing to the exhaust receiver. Refer to paragraph 4-7.10.
(4) If the pump primes but fails to maintain its prime, primer intake check valve may be leaking.
Refer to paragraph 4-7.10.
This task covers:
a.
Inspection
c.
Repair
b.
Removal
d.
Installation
INITIAL SETUP
Test Equipment
References
Paragraph
NONE
Portable Fire Pump
Equipment
Special Tools
Condition
Condition Description
Spanner wrench
Pump and Water Outlet
Valve removed
Material/Parts
Special Environmental Conditions
" "rings
O
NONE
Preformed packing
Seals
Personnel Required
General Safety Instructions
1
NONE
LOCATION
ITEM
ACTION
REMARKS
INSPECTION
1.
Priming
a. Hoses
Inspect for breaks,
pump and
cracks, and leaks.
gear
housing
b. Pump
Inspect for breaks,
cracks and leaks.
c.
Gear
Inspect for breaks,
housing
cracks and leaks
4-279
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