Walker R21 User Manual

51
The information covered in this section can be
performed by qualied owner/operators or by a
Authorized Walker Dealer.
DANGER
To prevent accidental starting of the engine
when servicing the machine, remove the key
from the ignition switch and disconnect the
spark plug wires.
Belt Replacement
There are two (2) belts on the R21: the blade drive
belt (PTO) and the ground drive belt. If either belt
shows wear or damage during a regular inspec-
tion, the belt should be replaced.
NOTE: Only use Walker replacement belts on this
machine.
Service and Adjustments
In This Section...
Belt Replacement .............................................................................51
Deck Leveling ...................................................................................55
Steering Handle Adjustment .............................................................56
Forward Speed Control Friction Adjustment ....................................56
Neutral Function Adjustment ............................................................57
Straight Tracking Adjustment............................................................58
R21 Belts
Blade Belt
Ground Drive Belt
1/4 Twist
1/4 Twist
Deck Idler
Arm
Ground Drive
Idler Arm

Walker R21 Specifications

General

Drive System	Hydrostatic
Cutting Height	1.5 - 4.5 inches
Engine	Kohler CH740
Engine Type	Air-cooled
Cutting Width	52 inch
Wheel Size	20 inches (rear)