HRR216PKA
MAINTENANCE
3-5
3. Check blade balance by placing the clean,
sharpened blade on a dowel or screwdriver, as
shown. A balanced blade will stay horizontal. If
one end of the blade dips, grind or file the heavy
end until good balance is achieved.
NOTICE
An unbalanced blade will cause abnormal
vibration that may eventually damage the mower.
INSTALLATION
1. Inspect the blade bolts for any signs of damage.
If they are damaged, they must be replaced.
2. Install the blades using the two blade bolts and
special washers, as shown.
Install the special washers with the concave side
toward the blades and the convex side toward the
head of the bolts.
The blade bolts are specially designed for this
application and must not be replaced with other
bolts.
3. Tighten the blade bolts to the torque specification
below.
TORQUE:49 ~ 59 N•m (36 ~ 43 ft-lb)
BLADE BOLT [2]
AND WASHER [2]
SPECIAL WASHER
DIRECTION
UPPER BLADE
LOWER BLADE
TORQUE
WRENCH
TORQUE:
36 ~ 43 ft-lb
(49 ~ 59 N•m)
WOODEN BLOCK
Summary of Contents for HRR216PKA
Page 5: ...iv HRR216PKA NOTES...
Page 9: ...SPECIFICATIONS HRR216PKA 1 4 NOTES...
Page 45: ...MUFFLER HRR216PKA 5 2 NOTES...
Page 49: ...RECOIL STARTER HRR216PKA 6 4 NOTES...