10-9
HRN216 CAMSHAFT/CRANKSHAFT/ PISTON/CYLINDER
DAMAGED CRANKSHAFT REPLACEMENT
If the lawn mower develops a strong vibration (due to the blades striking an object such as a rock or tree root) and
the crankshaft runout exceeds the service limit (P. 2 -1 4
), replace the crankshaft following the steps starting on
page 10-10
. The image below only shows an overview of the main components and does not show every part.
MAIN COMPONENTS
TOP
COVER
FAN
COVER
FLYWHEEL
CRANKCASE COVER
(with ignition
coil/brake/starter
assemblies)
CRANKSHAFT
TIMING GEAR
THRUST
WASHER
BLADE HOLDER or ROTO-STOP/
WOODRUFF KEY
UPPER BLADE
LOWER BLADE
BLADE BOLT
BLADE WASHER
BLADE HOLDER BOLT
FLYWHEEL NUT
SPARK PLUG
8x25mm
FLANGE BOLT (6)
6x23mm
FLANGE BOLT (5)
5x7mm SCREW
5mm
SPRING NUT
25 x 18
WOODRUFF
KEY
12 N•m (9 ft-lb)
Loosen only.
1 N•m (8.8 in•lb)
24 N•m (18 ft-lb)
54 N•m (40 ft-lb)
54 N•m (40 ft-lb)
CONNECTING
ROD BOLT (2)
12 N•m (9 ft-lb)
PKA/VKA/VLA types: 55 N•m (41 ft-lb)
VYA type: 75 N•m (55 ft-lb)
(VKA type shown)
20 N•m (14 ft-lb)
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