Ariens 911173 Owner's/Operator's Manual page 27

Install Drive Belt
Models 911177, 189
1. Route new belt through belt channel.
2. Route belt around transmission pulley
and reinstall transmission bracket and
hardware. Rotate transmission back into
location. Loop belt over crankshaft end.
Install engine pulley with key.
3. Install belt channel guides and drive
pulley guide.
4. Install washers and BBC assembly on
engine shaft. Ensure that key in BBC is
aligned with keyway on engine shaft.
5. Reinstall BBC spring.
6. Using prybar, rotate BBC assembly
clockwise until anti-rotation arm is
aligned with shoulder bolt bracket. Install
bolt and fully tighten. See Figure 25.
Align anti-rotation arm with shoulder bolt
bracket here.
Figure 25
7. Reattach cable spring to clutch actuating
lever. See Figure 23.
8. Gradually release spring tension until
prybar is loose and can be removed.
9. Reinstall front lock nut on BBC
engagement cable. Thread far enough
to allow only a minor amount of slack on
inner cable. See Figure 23.
10. Check cable adjustment and adjust as
necessary. See ADJUST OPERATOR
PRESENCE CONTROL / BLADE
BRAKE CLUTCH (OPC / BBC) CABLE
on page 27.
11. Check cable adjustment and adjust as
necessary. See CHECK OPERATOR
PRESENCE CONTROL / BLADE
BRAKE CLUTCH (OPC / BBC)
HANDLE on page 20.
12. Install center bolt and washer. Torque
bolt to 55 lbf-ft (75 N•m). See Figure 22.
ADJUST OPERATOR PRESENCE
CONTROL (OPC) HANDLE
NOTICE: The operator presence control
handle (operator presence control / blade
brake clutch handle on Models 911177, 189)
has no user-serviceable adjustments. If
releasing the handle does not stop the engine
or blade within 3 seconds, take the unit to an
authorized Ariens dealer for repairs.
ADJUST OPERATOR PRESENCE
CONTROL / BLADE BRAKE
CLUTCH (OPC / BBC) CABLE
Models 911177, 189
1. Place unit in service position. See
SERVICE POSITION on page 23.
2. Loosen the front and rear adjustment
nuts. See Figure 26.
3. Pull on the cable to allow only a slight
amount of slack and hand tighten front
adjustment nut against the cable
bracket. Tighten the rear adjustment nut.
See Figure 26.
4. Return unit to operating position.
5. Squeeze and hold the OPC / BBC
handle to the handlebar.
6. Push the BBC control lever forward until
it engages. The control should stay
engaged until the OPC / BBC handle is
released.
EN - 27