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TM 10-4320-342-24
3-19. PUMP AND CLUTCH (600 GPM FUEL PUMP) REPAIR - continued.
Refer to Figure 3-17.
(17)
Use formula K + L - J - M = N to determine thickness of shim stack number three (1).
(a)
Measure shaft (3) to determine dimension K.
(b)
Measure bearing carrier (2) to determine dimension J.
(c)
Measure bearing carrier (2) to determine dimension L(L1 - L2 = L). Determine dimension L by subtracting
L1 from L2.
(d)
Add dimensions K and L.
(e)
Subtract dimension J and M from sum of dimension K and L. Dimension M is a constant.).700.
(f)
Dimension N is the required thickness of shim stack number three (1) based on the above.
(g)
Example of formula: 2.320 + .220 - 1.820 - 0.700 = .020
(18)
Select shim stack number three (1).
NOTE
One or more shims may be used to obtain dimension N 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 N above.
(b)
If necessary, peel appropriate number of laminated layers (4) from shim to achieve dimension N above.
(19)
Apply sealing compound to outside seal (5) and pack grease on back of seal seat.
(20)
Install seal (5) in bearing carrier (2) and pack grease in front of seal.
(21)
Install shim stack number three (1), bearing (6) and bearing retainer (7) in bearing carrier (2).
Secure retainer (7) with three screws (8).
(22)
Support inner race of bearing (6) and press shaft (3) through bearing.
(23)
Install retaining ring (9) on hub (10).
3-43
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