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HRX217HYA • HRX217HZA SERVICE INFORMATION
CRANKSHAFT RUNOUT INSPECTION
If the mower has excessive vibration, or if blade
replacement is required because of damage caused by an
object hitting the blade, inspect the crankshaft runout.
PREPARATION
Fabricate a 3/16 inch thick steel plate with the dimensions
shown.
INSPECTION
1. Turn the fuel valve to the OFF position, and tilt the
mower on its side so the carburetor is up.
2. Disconnect the spark plug cap, and remove the spark
plug (P. 3 -9
).
3. Remove the Roto-Stop assembly (P. 4 - 3
).
4. Remove the four 8 x 10 mm flange bolts and the front
shutter holders.
5. Remove the two front 5/16-24 x 2-3/8 inch engine
mounting bolts.
.
Dimension Measurement
A 152.4 mm (6.00 in)
B 127.8 mm (5.031 in)
C 12.3 mm (0.485 in)
D 12.7 mm (0.5 in)
E 50.8 mm (2.0 in)
F 6.4 mm (0.25 in) (4 corners)
G 7/16 inch diameter (2 places)
BOLT,
5/16-24 x 2-3/8 in (2)
FLANGE BOLT,
8 x 10 mm (4)
FRONT SHUTTER
HOLDER (2)