30-42-00
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757
MAINTENANCE MANUAL

 (5)  S 866-008Open these circuit breakers on the miscellaneous electrical equipment panel, P70, and attach DO-NOT-CLOSE tags: (a) 70A3, WINDOW HTR 2R (b) 70A4, WINDOW HTR 3R (c) 70C13, WINDOW HTR L
 (6)  S 216-009Examine the sealant. (a) Remove all sealant that has cracks.
 (7)  S 216-010Examine the wiper arm for corrosion and loose fasteners. (a) If necessary, replace wiper arm (AMM 30-42-03/401).
 S 216-011

 CAUTION:_______DO NOT TIGHTEN THE HUB HOLDDOWN BOLT IF IT IS LOOSE. REPLACE IT. THE HUB HOLDDOWN BOLT CAN BECOME LOOSE IF IT IS USED AGAIN.
 (8)  Make sure the hub holddown bolt is tightly held to the motor/converter shaft (Fig. 601).
 (a)  If the hub holddown bolt is loose, replace it with a new bolt and tighten.
 S 216-012
 (9)  Make sure the clamping screw is tight (Fig. 601).
 (a)  Tighten the clamping screw if necessary.
 S 216-014
 (10) Examine the motor/converter shaft for corrosion and wear (Fig. 601).
 (a)  If necessary, replace the motor/converter (AMM 30-42-02/401).
 S 396-042
 (11) If you removed sealant, apply new sealant.  Put sealant over the bolts and screws and in the shaft tightening slot of the wiper arm hub (AMM 51-31-01/201).
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 30-42-00
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757 MAINTENANCE MANUAL
 S 866-043
 (12) Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:
 (a)
11R13, WSHLD WIPER LEFT

 (b)
11R22, WSHLD WIPER RIGHT

 S 866-046
 (13) Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P37 panel:
 (a)
37E3, WINDOW HTR 2L

 (b)
37E4, WINDOW HTR 3L

 (c)
37J2, WINDOW HTR 1R

 S 866-047
 (14) Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P70 panel:
 (a)
70A3, WINDOW HTR 2R

 (b)
70A4, WINDOW HTR 3R

 (c)
70C13, WINDOW HTR L
　
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本文鏈接地址：757 AMM 飛機(jī)維護(hù)手冊(cè) 防冰和排雨 CHAPTER 30 - ICE AND RAIN PROTECTION(138)