3-3-9-remont-i-proverka-generatora-tipa-a-mando.html
3.3.9. Repair and check of the generator of type And (MANDO)Dismantling
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Fig. 3.116. The generator of type And (MANDO): 1 — the generator in gathering; 2 — a tension arm; 3 — a nut; 4 — a generator pulley; 5 — the plug (big); 6 — a generator cover; 7 — the forward bearing; 8 — a fixing payment; 9 — the plug (small); 10 — a generator anchor; 11 — the back bearing; 12 — статор the generator; 13 — диодный the bridge; 14 — a regulator of pressure / of a brush; 15 — the generator case; 16 — a nut of fastening of the "positive" plug of the storage battery; 17 — a coupling bolt
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Details of the generator of type And (MANDO) are shown in drawing 3.116.
Remove the generator.
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Fig. 3.117. An arrangement of coupling bolts (1) generators
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Turn out coupling bolts 1 ( fig. 3.117) the generator.
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Fig. 3.118. Use of screw-drivers for branch of a cover from the generator
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Using screw-drivers as levers, separate a cover from the generator case ( fig. 3.118).
Remove a pulley and a rotor in gathering from a generator cover in a following order:
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Fig. 3.119. Removal of a pulley and a cover from a generator rotor: 1 — a fabric; 2 — a rotor; 3 — a nut; 4 — a pulley
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- Fix a rotor 2 in a vice, a pulley upwards;
- Turn away a nut of 3 fastenings of a pulley;
- Remove a pulley 4.
Uncover, a rotor and the plug in a following order:
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Fig. 3.120. Removal from a rotor (2) big plugs (1), a cover and the small plug (3)
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- Remove a rotor 2 from a cover;
- Remove the small plug 3 from a rotor axis.
Remove the forward bearing in a following order:
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Fig. 3.121. An arrangement of screws (1) fastenings of a plate and the forward bearing of the generator
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- Turn away screws 1 ( fig. 3.121) a fixing payment;
- Remove a fixing payment 2;
- Using a press, remove the forward bearing 3 generators.
Turn away a nut of fastening of the "positive" plug to the generator and remove a washer.
Remove статор from the generator case in a following order:
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Fig. 3.122. An arrangement of screws of fastening диодного the bridge (1), щеткодержателя both a regulator of pressure (2) and removal статора (3) with диодным the bridge/shchetkoderzhatelem/regulator of pressure (4)
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- Turn away fastening screws диодного the bridge 1 ( fig. 3.122);
- Turn away screws of fastenings щеткодержателя and a regulator of pressure 2;
- Remove статор with диодным the bridge/shchetkoderzhatelem/regulator of pressure 3.
Отпаяйте wires also remove диодный the bridge and a winding статора.
Check
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Fig. 3.123. Check of breakage of a chain of a rotor (1)
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Ohmmeter check up a rotor 1 ( fig. 3.123) on chain breakage. Replace a rotor if it is necessary.
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Fig. 3.124. Check of a winding of a rotor on breakage (1) and short circuit on "weight" (2)
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Check up a rotor winding on breakage 1 ( fig. 3.124) or chain short circuit. Resistance of a winding of a rotor 2,9 Ohm. Replace a rotor if it is necessary.
Check up a rotor on breakage of a chain or short circuit on "weight", using an ohmmeter. Replace a rotor if it is necessary.
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Fig. 3.125. Check статора on breakage of a chain (1)
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Check up статор on chain breakage, using an ohmmeter 1 ( fig. 3.125). Replace статор if it is necessary.
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Fig. 3.126. Check статора on breakage of a chain or short circuit on "weight" (1)
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Check up статор on breakage of a chain or short circuit on "weight" 1 ( fig. 3.126), using an ohmmeter.
Check up диодный the bridge in a following order:
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Fig. 3.127. Conductivity check диодного the bridge in a direct direction (1)
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- Check up conductivity диодного the bridge in a direct direction. Check up lead plugs of the coil статора on chain breakage, using an ohmmeter 1 ( fig. 3.127);
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Fig. 3.128. Conductivity check диодного the bridge in the opposite direction (1)
Fig. 3.129. Use of an ohmmeter for check of the threefold diode (1) and a heat-conducting path (2)
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- Check up conductivity диодного the bridge in the opposite direction. Check up lead plugs of the coil статора on chain breakage, using an ohmmeter 1 ( fig. 3.128);
- Replace диодный the bridge if it is necessary.
Check up diodes in a following order:
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Fig. 3.129. Use of an ohmmeter for check of the threefold diode (1) and a heat-conducting path (2)
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- Check up the threefold diode, using an ohmmeter 1 ( fig. 3.129);
- Replace a heat-conducting path 2 if it is necessary.
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Fig. 3.130. A place of measurement of length of brushes ()
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Check up deterioration of brushes. If length of brushes less than maximum permissible size and = 13,5 mm ( fig. 3.130), replace brushes.
Assemblage
Generator assemblage spend to sequences, return to removal.
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Fig. 3.131. Fixing of brushes () in the pressed position by a wire piece b inserted into an aperture (1)
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Before installation щеткодержателя on contact rings of a rotor, press brushes in щеткодержатель and fix them, having inserted into apertures 1 ( fig. 3.131) a wire piece.
Tighten screws of a shchetkoderzhatelja/regulator/diodnogo of the bridge the moment 9—12 Нм.
Tighten screws of a fixing payment of the forward bearing the moment 6—8 Нм.
Tighten a nut of fastening of a pulley of the generator the moment 80—110 Нм.
Tighten coupling bolts b the moment 4—6 Нм.
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