Honda HRN216 Series, Manual, Page: 28 / 215

2-19
HRN216 SERVICE INFORMATION
3. LAWN MOWER CONTINUES TO SELF-PROPEL WHEN
THE SMART DRIVE IS RELEASED
a. Loosen the Smart Drive cable adjuster completely.
b. Confirm there is no tension in the Smart Drive
cable at the transmission control arm.
If tension exists, proceed to cable adjustment on
page 3-10 .
c. If no tension exists, inspect the transmission control arm
return spring. If the spring is broken, missing, or
damaged, replace it.
d. Push the control arm up to remove all the slack from the
belt. Inspect the clearance between the outside of the
belt and the belt guides.
e. If the clearance is out of specification, adjust or replace
the belt and belt guide(s).
Belt Guide Clearance:
Transmission Driven Pulley Belt Guide Clearance:
2.0 ~ 3.0 mm
Engine Drive Pulley Belt Guide Clearance:
2.5 ~ 4.0 mm
ADJUSTER
LOCK NUT
LOOSEN
Inspect the
control arm
return spring.
Confirm there is no
tension in the Smart
Drive cable.
TRANSMISSION DRIVEN PULLEY
BELT GUIDE CLEARANCE
2 ~ 3 mm (0.079 ~ 0.118 in)
BELT GUIDE
TRANSMISSION
DRIVEN
PULLEY
BELT
ENGINE DRIVE PULLEY BELT
GUIDE CLEARANCE
2.5 ~ 4 mm
(0.098 ~ 0.157 in)
BELT GUIDE
ENGINE
DRIVE
PULLEY
BELT