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TM 10-4320-342-24
3-19. PUMP AND CLUTCH (600 GPM FUEL PUMP) REPAIR - continued.
Refer to Figure 3-18.
(32)
Use formula T - U - V = W to determine thickness of shim stack number fi ve (1).
(a)
Measure distance from flange of clutch housing (2) to bottom (inside) of rotor shaft (3) to determine
dimension T.
(b)
Measure distance from flange on bearing carrier (4) to top of bearing (5) to determine dimension U.
Subtract dimension U from dimension T.
(c)
Subtract dimension V. Dimension V is a constant. V = 0.080.
(d)
Dimension W is the required thickness of shim stack number five (1) based on the above.
(e)
Example of formula: 4.790 - 4.670 - .080 = 0.040
(33)
Select shim stack number five (1).
NOTE
One or more shims may be used to obtain dimension S above. Shim is made up of
laminated layers and thickness of each layer is 0.002.
(a)
Select appropriate number of shims (1) to obtain dimension W above.
(b)
If necessary, peel appropriate number of laminated layers (6) from shim to achieve dimension W above.
(34)
Install shim stack number five (1) and wavy washer (7) inside of rotor shaft (3).
(35)
Position clutch housing (2) on bearing carrier (4) with drain port (8) of bearing carrier down and slots (9) on clutch
housing up.
(36)
Install eight bolts (10), flat washers (11) and nuts (12). Torque nuts to 25 - 28 lb-ft.
3-47
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