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TM 5-4210-220-12
4-19. WINTERIZATION SYSTEM - Continued
(17)
Replace O-ring seal (15) and bearing (16) in housing (11).
(18)
Fit circlip (17) into motor support housing (5). Press new seal against circlip (fan side).
(19)
Press bearing (8) onto drive shaft (7) (fan end) until it rests on the shoulder of the shaft.
(20)
Press drive pin (18) into hole in drive shaft.
(21)
Press drive shaft into motor support housing until outer race of bearing (8) rests on circlip (17).
(22)
Fit circlip (9) into motor support housing.
(23)
Push fan (10) onto drive shaft (7) ensuring it keys onto drive pin (18).
(24)
Press blower housing (11) onto drive shaft.
(26)
Install capscrews (3) and washers (4) and tighten.
(27)
Install washer (14) and gear (13) onto drive shaft and secure with locknut (12).
(28)
Install motor as detailed in m. preceding, but do not replace blower housing on heater in truck.
(29)
Install flame detector as detailed in d. preceding.
4-313
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