This article describes how to disassemble a Perkins 2806F-E18TA Industrial Engine
Perkins EST Diagnostic Adapter-High Quality
Fuel Priming Pump – Remove
and Install
Removal Procedure
1. Turn the fuel supply to the OFF position.
2. Turn the battery disconnect switch to the OFF
position.
3. For the correct location of the fuel priming pump
assembly. Refer to Original Equipment
Manufacturer (OEM) for the correct location.
4. Remove fuel filter (9). Refer to Operation and
Maintenance Manual, Fuel System Primary Filter
(Water Separator) Element – Replace for the
correct procedure.
5. Disconnect harness assembly (2), harness
assembly (3), and harness assembly (8).
6. Disconnect the OEM hose assemblies from the
connections (4) and connection (4a). Plug and cap
the connections and the hose assemblies.
Note: Make temporary marks on the hose
assemblies for installation purposes.
7. Remove bolts (6) and washers (5) from fuel
priming pump base (1). Remove the assembly of
the fuel priming pump base. Support the weight of
the fuel priming pump base as the bolts are
removed.
v>8. If necessary, follow Step 8.a through Step 8.c to
remove mounts (13), mounts (10), limiters (16),
limiter (11), and bracket (14) from fuel filter base
(1).
a. Remove mounts (13) from bracket (14).
Remove the bracket.
b. Remove limiters (16) and mounts (17) and
mounts (15) from fuel priming pump (1).
c. Remove mount (10), limiter (11) and mount (12)
from fuel priming pump (1)
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9. If necessary, follow Step 9.a through Step 9.j to
disassemble the assembly of fuel filter base (1).
a. Place the assembly of fuel filter base (1) in a
suitable support.
b. Remove nut (21) and remove solenoid (22).
c. Use a deep socket to remove valve (23).
Remove O-ring seal (24), O-ring seal (25), and
backing ring (26).
d. Remove check valve (35). Remove O-ring seal
(30), O-ring seal (29), and backing ring (28)
e. Remove bolts (27) from manifold (34). Remove
O-ring seal (33).
f. Remove O-ring seal (19) and backing ring (20).
g. Make temporary marks on wiring harness (37)
for installation purposes. Remove locking nuts
(32). Remove electronic filter (31) and
disconnect the wiring harness from pump
assembly (43).
h. Remove pump assembly (43) from fuel filter
base (1). Remove backing ring (40), seal (41),
backing ring (42), and seal (39).
i. If necessary, remove circlip (36) and remove
wiring harness (37) from fuel filter base (1).
Remove O-ring seals (38).
j. If necessary, remove plug (48) from fuel filter
base (1). Remove O-ring seal (47). Remove
spring (46), valve (45), and O-ring seal (44).
If necessary, repeat Step 9.j to remove
remaining valve assembly (49).
