Crankshaft & camgear, Issued 3-78 – Generac Power Systems TXP User Manual
Page 69
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CRANKSHAFT & CAMGEAR
CRANK SHAFT REMOVAL
VALVE
SPRING
-COMPRESSION
Remove rust and burrs from power
take-off end of crankshaft. Remove
crankcase sump cover. If valves
are installed, use valve spring
compressor to compress Intake Valve
springs.
Note timing mark on Camgear and
Crankshaft Gear. Carefully remove
Camgear - tappets must be clear of
cam lobes before camgear can be
removed.
Remove spark plugs. Remove both connecting rod caps (see Section 10).
Rotate
crankshaft
until
connecting
rods
are
free
of
crankshaft
throws
Remove crankshaft.
CHECKING THE CRANKSHAFT
The CHART below shows rejection
sizes of crankshaft wear points ■
replace crankshaft if any points
are worn smaller than the size
indicated.
PTC
MAG
JOURNAL JOURNAL CRANKPINS
1.376
•1.376
1.622
Issued 3-78