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TM 10-4320-342-24
3-21. SPEED REDUCER REPAIR.
This task covers:
a. Disassembly
b. Cleaning
c. Inspection
d. Repair
e. Assembly
INITIAL SETUP
Tools
Materials/Parts - continued
General Mechanics Tool Kit (App B, Sect III,
Seal (App F, Items 90 and 97)
Item 1)
Bearing (App F, Item 110)
Arbor Press (App B, Sect III, Item 3)
Nut, Self-Locking (App F, Item 28)
Bearing Puller (App B, Sect III, Item 3)
Equipment Condition
Materials/Parts
Speed reducer removed from Pump
Compound, Antiseize (App E, Item 7)
(Para 2-44)
Lubricant (App E, Item 20)
Adhesive Sealant (App E, Item 3)
a. DISASSEMBLY. Refer to Figure 3-29.
(1)
Remove tube assembly (1), tee (2) and elbow (3).
(2)
To aid assembly, mark and record position of adapter housing (4) on case (5).
(3)
Remove twelve screws (6) from adapter housing (4) then separate adapter housing and attached parts from case
(5).
(4)
Remove eight screws (7). Install two of the screws in jack holes of seal housing (8) and tighten screws evenly
until seal housing (8) separates from adapter housing (4).
(5)
Press seal (9) from seal housing (8). Discard seal.
(6)
Remove plug (10) from adapter housing (4).
(7)
Remove retaining ring (11) and press shaft (12) from adapter housing (4).
(8)
Remove race (13) from adapter housing (4).
(9)
Remove retaining ring (14) and press bearing (15), spacer (16) and bearing (17) from adapter housing (4).
(10)
Press race (18) from shaft (12).
(11)
To aid assembly, mark and record position of adapter housing (19) on case (5).
(12)
Remove eight screws (20). Install two of the screws in jack holes of seal housing (21) and tighten screws evenly
until seal housing separates from adapter housing (19).
3-69
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