TM-9-2815-213-34
ENGINE, DIESEL, WITH ACCESSORIES CUMMINS MODEL V8-300 (2815-910-8217)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING DIRECT SUPPORT AND GENERAL SUPPORT REPAIR PARTS LIST AND DEPOT MAINTENANCE ALLOWANCES)
FEBRUARY 1972
TM-9-2815-213-34 - Page 69 of 192
*TM 9-2815-213-34
sleeve (7), and gear (8) from housing.
(d)
Press the gear from shaft and remove bearing
sleeve.
b.
Fuel Pump Housing Assembly
(fig. B-15).
(1)
Filter Assembly
.
(a)
Remove filter cap (3), sealing ring (2), filter
spring (4), and filter element (5).
(b)
Discard sealing ring.
(2)
Governor Plunger Assembly
.
(a)
Remove plunger assembly from housing as
shown in figure 3-78.
(b)
Remove spring pack housing (31).
(c)
Remove pin (36) securing drive governor
plunger (16) tc plunger spacer (37) and shaft (35).
(d)
Remove compression spring (33), shims (34),
and thrust washer (38).
Figure 3-78. Plunger assembly-removal/installation.
(3)
Throttle Assembly
.
(a)
Remove two throttle adjusting jam nuts (6) and
two adjusting screws (7).
(b)
Remove throttle snap ring (17).
(c)
Cut seal wire (24) and remove throttle cover seal
(23).
(d)
Pull throttle assembly from housing
(e)
Remove nut (22), lockwasher (21), flat washer
(20), and capscrew (19) securing throttle lever (18) to
shaft.
(f)
Remove shaft cover (16), spacer (15), and stop
pin (14) from shaft (13).
(g)
Remove setscrew (8), lockwasher (9), plunger
(10), shim (11), and O-Ring (12) from shaft.
(4) Remove pipe plug (27), clip (28), fuel body plug
(43), O-Ring (42), and pipe plug (1) from pump housing.
3-103. Cleaning
Clean all fuel pump components in accordance with
paragraph 2-5.
3-104. Inspection
a.
Visual. Visually inspect the assembled pump in
accordance with paragraph 2-6.
b.
Housing Porosity and Leakage Check.
(1) Fill fuel pump with clean diesel fuel.
(2) Remove suction fitting at fuel pump gear
assembly and install suitable air fitting to facilitate
attaching 20 psi. air pressure hose.
(3) Apply 20 psi maximum air pressure to fitting.
(4) Pour fuel oil over pump and examine for leaks
indicated by air bubbles.
(5) Wipe pump dry and check for seepage of fuel oil
from inside pump.
(6) If either type of leak is evident, fuel pump
housing must be replaced.
(7) Remove air hose and fitting.
(8) Replace suction fitting on fuel pump gear
assembly.
c.
Mounting Pump On Test Stand.
(1) Mount adapter ring assembly (2, fig. 3-79) to
adapter bracket (1, fig. 3-79) and secure with four
capscrews and plain washers.
NOTE
"TOP" or part number on adapter ring
must be at top.
(2) Place ring and adapter assembly on stand mounting
rails and secure to rails with clamp bar (fig. 3-80). Finger
tighten clamp bar only.
(3) Mount pump on adapter ring and bracket
assembly and secure with four capscrews and flat
washers (fig. 3-81).
(4) Place coupling insert (3, fig. 3-79) into coupling
in stand drive shaft (fig. 3-81).
(5) Loosen bar clamp and slide pump and bracket
assembly to engage stand drive shaft. Allow 1.16-inch
end clearance between pump drive and stand drive.
Tighten bar clamp screw securely (fig. 3-82).
(6) Install pump inlet adapter assembly (5, fig. 3-79)
in pump inlet port as shown in figure 3-82.
(7) Connect 1/2-inch ID flexible hose (11, fig. 3-79)
from stand suction control valve (fig. 3-82) to flare
connector of inlet adapter assembly on pump.
(8) Connect 1/4-inch clear flexible hose (7, fig. 3-79)
from stand supercharger inlet con-
3-40
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