Ariens 912 - Manual (Page 21)

Adjustments (Continued)
Check brake by turning both wheels at the
same time, brake should just begin to drag on
brake drum. If not, adjust brake band by
loosening set screw on brake set collar and
moving collar on brake rod.
Release Parking Brake latch and turn both rear
wheels by hand, they should rotate freely in
neutral (N) but not rotate with Speed Selector
in any other position.
i
Test by fully depressing Clutch Pedal and try­
ing to turn both wheels by hand, they should
not turn.
Mower Belt
IMPORTANT: Ariens Company recommends
that mower belt be adjusted after first five
hours of operation.
With Mower Clutch engaged (IN) and Height
Control lever set in the most used cutting
height position, belt is properly adjusted when
it can be squeezed together by hand in front of
rear wheels between 3/4” to 1-1/4” without
moving mower pan.
1. Mower Height Lever
2. Adjustment Bracket
3. Mower Clutch Lever
4. Whiziock Cap Screws
Figure 15: Mower Belt
To check, squeeze belt together in front of rear
wheels and measure distance across flats (out­
side surfaces) of belt. Measurement should be
between 1-7/8” and 2-3/8”.
IMPORTANT: Over tightening belt will result in
permature belt and bearing wear.
To adjust, with Mower Clutch disengaged
(OUT) and Height Control lever in normal mow­
ing height position, loosen cap screws on ad­
justment bracket and slide bracket forward to
loosen belt (if belt is too tight) or to rear to
tighten belt (if belt is loose). Tighten cap
screws and recheck belt adjustment.
Check mower brake adjustment after changing
mower belt and/or clutch adjustment.
Mower Brake
A
WARNING: With improper use, injury
may result if Mower Clutch in disengag­
ed (OUT) and brake does not stop mower
blade within 5 seconds.
Mower brake is applied when mower clutch is
disengaged (OUT) and must release when
mower clutch is engaged (IN).
To check, position mower pan in mid-height
position and while observing brake, engage
and disengage mower clutch. Brake rod must
push brake away from pulley when Mower
Clutch is engaged (IN) and allow brake to be
applied when Mower Clutch in disengaged
(OUT).
If brake is applied when Mower Clutch is
engaged, lower pan, loosen locking nut and
turn adjustment nut toward brake arm until
brake is released, recheck per above instruc­
tions until adjustment is correct and tighten
locking nut.
1. Brake Rod 2. Locking Nuts 3. Brake Band
Figure 16: Mower Brake
19