Cleaning/Adjusting Points; Coil Inspection/Replacement - Tecumseh SPECTRA 37 Service And Repair Manual

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Cleaning points
To clean the points in position:
- Rotate engine until points are open. Insert a piece of
smooth emery.
- Close points in order to grip emery and clean.
- Open points and remove all traces of dust. (Fig 10).
To adjust points
- Adjust points gap to 0.45 ÷ 0.50mm (.020") as follows
(see Breaker point setting table).
- Turn engine to bring cam heel to widest opening point.
- Insert feeler gauge and with the aid of a screwdriver
fitted in slot 'A' (Fig 11), gently close points until a «drag»
is felt on the feeler.
- Tighten points securing screw.
COIL INSPECTION
- Inspect coil for damage, cracks, bad insulation or signs
of overheating. Check all leads, particularly at point of
entry to coil.
- Check coil efficiency on a tester with coil mounted on
stator (Fig 12).
- Check coil outer insulation for leaks with tester
(Fig 12). If a tester is not available, the engine may be
tested with a new coil.
COIL REPLACEMENT
- Remove coil by releasing retainer spring 'A' or by
straightening the lamination of the core 'B' (Fig 13).
- Disconnect all leads and unsolder terminal 'A' (Fig 14).
- Completely detach coil (Fig 15).
- Reverse the procedure for refitting.
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Fig. 10
Fig. 12
Fig. 13
Fig. 15
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Fig. 11
Fig. 14