Service And Adjustments - Ariens Pro 21 Manual

CAUTION: AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
SERVICE POSITION
Put unit into service position for easy access
to underneath the deck.
CAUTION: Avoid fuel spills.
Follow steps below to help
prevent fuel spills. If fuel leaks
into air cleaner, replace air
cleaner. ALWAYS clean up any
spilled fuel.
1. Place unit on a flat, level surface.
2. Disconnect spark plug wire from spark
plug.
3. Remove fuel cap, place a piece of
plastic bag over the opening and tighten
cap securely.
4. Tip unit onto right side.
Make sure unit is secure and will not tip
over.
IMPORTANT: Remove plastic from fuel cap
after unit is upright and service is complete.
DRIVE BELT REPLACEMENT
To remove drive belt:
1. Disconnect spark plug wire from spark
plug.
2. Remove transmission cover.
3. Disconnect idler return spring from idler
arm. See Figure 15.
4. Disconnect the wheel drive cable from
transmission mount, and then
disconnect drive cable spring from idler
arm.
5. Remove belt from transmission input
pulley and transmission idlers, and then
push the belt out through the belt
channel.

SERVICE AND ADJUSTMENTS

6
1
1. Belt
2. Transmission
Input Pulley
3. Idler Return
Spring
6. Put the unit in the service position. See
SERVICE POSITION on page 20.
7. Remove the blade from the blade
adaptor. Save the hardware to reinstall
the blade.
8. Remove the center baffle from the
mower deck. Save the baffle and
hardware.
9. Remove blade adapter and wave
washer from the crank shaft.
10. Loosen the bent belt finger, and then
remove the belt from the engine pulley
and pull the belt out through the belt
channel. See Figure 16.
GB - 20
5
3
4
4. Wheel drive
cable
5. Drive Cable
Spring
6. Idler Arm
Figure 15
2