钻石40飞机维护手册 DA 40 SERIES AMM 2(52)

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(3)  Disconnect the electrical connections to the alternator. 
(4)  Loosen the main mounting bolts: S Remove the cotter pins from the nuts. S Loosen the mounting bolts.  Refer to Figure 4. 
(5)  Remove the adjusting bolt: S Cut the lock-wire. S Remove the bolt and the washer. 
(6)  Loosen the adjusting bracket attachment bolt: S Cut the lock-wire. S Loosen the bolt. 
(7)  Remove the flexible drive belt: S Move the alternator up and towards the engine. S Lift the flexible drive belt clear of the alternator pulley. 

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Detail Steps/Work Items  Key Items/References 
(8)  Remove the alternator: S Remove the 2 nuts from the attachment bolts. S Remove the 2 washers. S Remove the 2 bolts, washers and spacers which attach the alternator to the mounting bracket. S Move the alternator clear of the engine.  Hold the alternator. 

B. Install the Alternator
Detail Steps/Work Items  Key Items/References 
(1)  Put the alternator in position in the alternator mounting.  Hold the alternator in position. 
(2)  Install the alternator mounting bolts: S Install the washer on the front mounting bolt. S Put the bolt through the link plate, alternator mounting bracket and the alternator. S Install the washer on the rear mounting bolt. S Put the bolt through the alternator, spacers and mounting bracket. S Install the washers on the bolts. S Install the 2 nuts on the attachment bolts but do not tighten the nuts.  From the front. From the rear. 
(3)  Install the washer on the adjusting bolt and install the adjusting bolt through the adjusting bracket and into the alternator. Do not tighten the adjusting bolt. 
CAUTION: DO NOT MAKE THE FLEXIBLE BELT TOO TIGHT. TOO MUCH TENSION IN THE BELT CAN DAMAGE THE BEARINGS IN THE ALTERNATOR AND CAUSE ALTERNATOR FAILURE. 

Doc # 6.02.01 Page 205
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DA 40 Series

Detail Steps/Work Items  Key Items/References 
(4)  Install the flexible belt: S Move the alternator up and towards the engine. S Put the flexible drive belt into position over the alternator pulley and the drive pulley. S Move the alternator down and away from the engine until the flexible belt tension is correct. S Then tighten the adjusting bolt and the adjusting bracket attachment bolt. S Lock the bolt heads to the adjusting bracket with lock-wire.  Make sure that the flexible belt is correctly seated in the Vee groove. Belt movement = 5 mm (0.2 in.) with 3 kp (6.5 lbf.) load applied. 
(5)  Tighten the 2 alternator mounting bolts and install the cotter pins. 
(6)  Connect the electrical cables to the alternator.  Refer to Chapter 92 for the wiring diagrams. 
(7)  Connect the battery. Make sure that you connect the positive lead first.  Refer to Section 24-31. 
(8)  Install the engine cowlings.  Refer to Section 71-10. 
(9)  Do a function test of the alternator.  Refer to Paragraph 6. 

5. Remove/Install the Voltage Regulator
A. Remove the Voltage Regulator
Detail Steps/Work Items  Key Items/References 
(1)  Set the ALT/BAT switch to OFF. 
(2)  Remove the engine cowlings.  Refer to Section 71-10. 
(3)  Disconnect the battery. Make sure that you disconnect the negative terminal first.  Refer to Section 24-31. 

Page 206 Doc # 6.02.01 09 Jan 2003 Rev. 4
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Detail Steps/Work Items  Key Items/References 
(4)  Disconnect the electrical connections to the regulator.  At the in-line connector. 
(5)  Remove the 4 nuts and washers which attach the voltage regulator to the mounting bracket.  Hold the regulator! 
　
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