TM 5-3805-258-24-2
ENGINE
DISASSEMBLY AND ASSEMBLY
FUEL PRIMING AND PRIMARY FILTER PUMP GROUP
DISASSEMBLE FUEL PRIMING AND PRIMARY
FILTER PUMP GROUP
1260 & 1258-15
Tools Needed
A
1P1855
Snap Ring Pliers
1
1.
2.
3.
start by:
a) remove fuel priming and primary filter pump
group
Remove two bolts (1) and primary pump (2)
from the filter base.
Remove case assembly (7) from base assembly
(9).
Remove filter element (5) from case assembly
(7).
CAUTION
Spring (11) is held in compression behind re-
tainer (6).
4.
5.
6.
7.
8.
Use tool (A) to remove ring (10).
Remove retainer (6) and spring (11) from case
assembly (7).
Use tool (A) to remove ring (4) from nut (3).
Remove nut (3) from base assembly (9).
Remove O-ring seal (8) from nut (3).
ASSEMBLE FUEL PRIMING AND PRIMARY
FILTER PUMP GROUP
1260 & 1258-16
Tools Needed
A
1P1855
Snap Ring Pliers
1
1.
2.
3.
4.
5.
6.
7.
Install O-ring seal (2) on nut (1).
Install nut (1) in base assembly (7).
Use tool (A) to install ring (3) on nut (1).
Install spring (5) and retainer (9) in case as-
sembly (6).
Use tool (A) to install ring (4) in the groove on
the shaft of case assembly (6).
Install filter element (8) in case assembly (6)
and install case assembly (6) on base assembly
(7).
Put primary pump (10) and the gasket in posi-
tion on the filter base and install the bolts.
end by:
a) install fuel priming and primary filter pump
group
5-85
