Liangzi Power UTV1000-3, Maintenance Manual

Page: 91 / 184

3.ENGINE
3- 63
Gradually insert the tool in the crankshaft groove.
Make sure that the tool tip enters the groove and
does not jam on the crankshaft balancer surface.
Crankshaft Removal
Refer to CRANKCASE
Crankshaft Inspection
NOTE: Check each bearing journal of crankshaft
for scoring, scuffing, cracks or other signs of wear.
NOTE: Replace crankshaft if the gears are worn or
otherwise damaged.
NOTICE Components out of specifications always
have to be replaced .If this is not observed, severe
damage may be caused to the engine.
1. Crankshaft timing gears
Crankshaft Axial Play
NOTE: Axial play needs to be measured before
splitting the crankcase.
Measure play on PTO end, using a dial indicator.
Crankshaft Axial Play
NEW 0.200 mm to 0.500 mm
(.008in to.02in)
SERVICE LIMIT 0.600 mm(.024in)
If play is out of specification, replace crankcase
and/or crankshaft.
Connecting Rod Big End Axial Play
Using a feeler gauge, measure distance between
butting face of connecting rods and crankshaft
counterweight . If the distance exceeds specified
tolerance, replace the crankshaft.
1. Crank shaft
2. Connecting rods
3. Feeler gauge
CONNECTING ROD BIG END AXIAL PLAY
ENGINE
NEW 0.250 mm to 0.550 mm
(.01 in to.022in)
SERVICE
LIMIT
0.600 mm(.024in)
Connecting Rod/Piston Pin Clearance
Refer to TOP END section.
Connecting Rod Big End Radial Play
NOTE: prior to remove connecting rod from the
crankshaft, mark big end halves together to ensure
a correct reinstallation (cracked surface fits in only
one position).
Remove connecting rods from crankshaft.
NOTICE Connecting rod screws are not reusable.
Always discard screws and replace by NEW ones.
It is recommended to install new plain bearings
when reinstalling connecting rods.