Engine idles too fast, Engine won’t idle at all, Engine stalls (without load) – Troy-Bilt 8 HP User Manual
Page 70: Engine overheats, Engine blows black smoke, Low compression, Engine backfires, What to do and reference
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PROBLEM
PROBLEM
WHAT TO DO AND REFERENCE
WHAT TO DO AND REFERENCE
17. ENGINE SHUTS OFF WHEN
WHEELS/TINESAPTO DRIVE LEVER
IS IN “FORWARD”
•
S ee “Troubleshooting the Forw ard Interlock
S afety System ” in S ection 6.
18. ENGINE DOES NOT SHUT OFF WHEN
FORWARD INTERLOCK LEVERS ARE
RELEASED WHILE WHEELS/TINES/PTO
DRIVE LEVER IS IN “FORWARD”
•
S ee “Troubleshooting the Forw ard Interlock
S afety System ” in S ection 6.
19. ENGINE IDLES TOO FAST
•
C arburetor m ay need adjustm ent. S ee S ec
tion 6.
•
C heck throttle cable adjustm ent. S ee S ection
6
.
•
C heck throttle linkage for freedom of m otion.
20. ENGINE WON’T IDLE AT ALL
•
C arburetor m ay need adjustm ent. S ee S ec
tion 6.
21. ENGINE HAS SLOW RECOVERY
AFTER ABRUPTLY MOVING THROTTLE
FROM IDLE TO HIGH SPEED
•
C arburetor m ay need adjustm ent. S ee S ec
tion 6.
22. ENGINE STALLS (WITHOUT LOAD)
•
C old engine, allow few m inutes w arm -up tim e
before m oving tiller.
•
Fuel line restricted or blocked.
•
C arburetor m ay need adjustm ent. S ee S ec
tion 6.
•
Loose ignition system connections. *1.
23. ENGINE OVERHEATS
•
C lean engine cooling fins, shroud and cov
ers. S ee S ection 6.
•
C heck for broken flyw heel fins (under engine
shroud). *1.
•
C heck oil level for too m uch or too little oil.
24. ENGINE BLOWS BLACK SMOKE
•
C arburetor set for too rich a m ixture. Lean
out. See S ection 6.
•
A ir filter m ay be clogged.
•
C hoke m ay be in “FU LL C H O K E ” setting.
R eturn to “C H O K E O FF”.
25. LOW COMPRESSION
•
P ull recoil starter rope a few inches
until you feel resistance. Judge if am ount
of resistance you feel is norm al. *1.
•
B low n head gasket, or loose head
bolts— check tw o bolts nearest m uffler first.
‘
1
.
•
V alve stuck open, no real com pression.
*
1
.
•
E xcessive piston ring w ear. *1.
26. ENGINE BACKFIRES
•
C heck spark plug gap. See Section 6.
•
M ixture too lean, adjust carburetor. S ee Sec
tion 6.
•
Loose cylinder head, or head gasket leak. *1.
•
Loose carburetor or intake adaptor plate.
*1 See authorized engine service dealer.
68