Cub Cadet MTD P71 Series - Manual (Page 82)

P71 Series Vertical Shaft Engines
76
Engine brake and stop switch (if equipped)
NOTE: The stop switch and brake (for lawn mower
applications) must be able to stop the blade
from rotating within 3.0 seconds after the
release of the safety bail, per ANSI B71.1-
2003 standard.
NOTE: The brake should be replaced when the
thickness of the pad is less than 0.060”
(1.524 mm) at the thinnest spot.
To replace the brake assembly:
1. Disconnect and ground the spark plug wire.
2. Remove the recoil assembly and engine shroud by
following the steps described in Chapter 6: Starter.
3. Remove the flywheel by following the steps
described in the flywheel section of this chapter.
NOTE: Inspect the inside of the flywheel, where the
brake rides, for any signs of damage or
wear.
4. Disconnect the engine control cable.
5. Remove the screw that holds the dip stick tube to
the engine block using a 10 mm wrench. See Figure
7.10.
6. Lift the dipstick tube off of the engine.
7. Disconnect the stop switch lead from the module.
8. Remove the two screws securing the brake assem-
bly. See Figure 7.11.
NOTE: On engines equipped with an electric starter,
the starter mounting screws hold the brake
assembly in place. Remove the starter to
remove the brake assembly. See Figure
7.12.
9. Install the brake by following the previous steps in
reverse order.
10. Test run the engine in a safe area before returning it
to service.
Figure 7.10
Figure 7.11
Screws
Figure 7.12