Craftsman 79960 - Page 34

TROUBLESHOOTING POINTS
PROBLEM
Lossof Vacuum
UnusualVibrationor Noise
POSSIBLECAUSE
1 Vacuuminletorvacuumhosec_ogged, 1
2 Collectionbagfull 2
3 Dischargeopeningclogged 3
4 Processingchamberclogged 4
5. Enginenotreachingfull RPM 5
1. Solidobjectjammedinunit 1
2, Chipperbladelooseor damaged, 2,
3 Rotorassemblyout of baiance, 3
4 Chipperbladetoanvilclearanceincorrect 4
5 Enginecylindershaftorcrankshaftisbent 5
or damaged
6 Looseenginemountingbofts 6
7, Looseor m{ssingboltsonunit, 7
8, Engineshaftbearingsdamaged 8
CORRECTION
Checkforandremoveanyobstruction
(Page26)
Removeandemptybag(Page12)
Removecollectionbagto clean
opening(Page12)
Checkfor andremoveanyobstruction
(Page26),
See"EngineRunsPoorly"at beginning
ofchart,
Checkforandremoveanyobstruction
SeePage26.
Tightenor replace(Page30)
ContactSearsServiceCenter
ContactSearsServiceCenter(correct
clearanceis030"-,090")
ContactSearsServiceCenter
Tightenbolts(Page29)
Tightenor replacebolts(Page29)
ContactSearsServiceCenter
34