Craftsman 987.799601 - Manual (Page 34)

TROUBLESHOOTING POINTS
PROBLEM POSSIBLE CAUSE CORRECTiON
Loss of Vacuum. 1 Vacuum inlet or vacuum hose clogged. 1. Check for and remove any obstruction
(Page 26).
2. Collection bag full. 2 Remove and empty bag (Page 12}
3. Discharge opening clogged 3- Remove collection bag to cleart
opening (Page 12)
4 Processing chamber clogged 4 Check for and remove any obstruction
(Page 26).
5. Engine not reaching full RPM 5 See "Engine Runs Poorly” at beginning
of chart.
Unusual Vibration or Noise 1. Solid object jammed in unit. 1, Check for and remove any obstruction
See Page 26-
2 Chipper blade loose or damaged 2, Tighten or replace (Page 30)
3 Rotor assembly out of balance. 3 Contact Sears Service Center
4 Chipper Wade to anvil clearance incorrect 4, Contact Sears Service Center (correct
clearance is 030" -.090"}
5. Engine cylinder shaft or crankshaft is bent
or damaged
5. Contact Sears Service Center
6 Loose engine mounting bolts 6 Tighten bolts (Page 29)
7. Loose or missing bolts on unit, 7. Tighten or replace bolts (Page 29)
8, Engine shaft bearings damaged 8, Contact Sears Service Center
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