Cub Crafters CARBON CUB SS CC11-160 Maintenance Manual page 217

PROBLEM PROBABLE CAUSE
Rough Engine mount bolts loose.
running -
Defective spark plug cables.
continued...
Worn cam lobe.
Defective valve lifter.
Scored valve stems.
Warped valves.
Detonation.
Poor Engine not warm enough.
acceleration
Defective throttle control.
Plugged air filter.
Idling mixture too lean.
Idling jet plugged.
Water in fuel.
Leak in air induction system.
Low power
Defective ignition cable.
Scored valve stems.
Warped valves.
Throttle not fully open.
Carburetor air heat valve not
closing fully.
Propeller blades warped.
Ice forming on carburetor throttle
valve.
Air filter plugged.
Fuel flow restricted.
Worn cylinders, pistons and/or
piston rings.
Low oil Low oil supply.
pressure
Low oil viscosity.
Plugged oil screen.
Manual number SSC10000AMM
Date: 04/18/2013
CUB CRAFTERS, INC.
CC11-160 MAINTENANCE MANUAL
Tighten.
Test for break-down at high voltage.
Overhaul engine.
Remove and test hydraulic unit.
Replace if worn.
Replace valves and guides.
Replace. Grind seats.
Use specified fuel. Keep cylinder
head temperature below specified
maximum.
Continue warm-up.
Check for binding, kinks, slipping,
worn parts.
Remove and clean filter.
Readjust.
Clean carburetor.
Drain sediment trap.
Check all joints and throttle shaft
bearings.
Test for high voltage leaks. Replace
parts.
Replace valves and guides.
Replace valves. Grind seats.
Readjust linkage.
Remove filter, inspect valve.
Straighten plate.
Inspect pitch. Replace.
Apply full carburetor air heat.
Remove and clean.
Inspect tank vents. Inspect shutoff
valve. Clean strainer. Clean
carburetor screen. Blow out fuel
supply line.
Overhaul engine.
Replenish.
Drain sump. Refill with correct
grade.
Remove and clean.
REMEDY
Reference
in this
manual
5.2.5
NOTE
8*
NOTE
7*
NOTE
7*
NOTE
7*
6.3.12
6.3.15
6.3.15
6.3.15
6.3.12
NOTE
7*
NOTE
7*
6.3.12
NOTE
7*
6.3.12
6.3.15
NOTE
8*
6.2.3
6.3.10
6.3.10
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