PIVOTING ZONE START BRAKE
There are two versions of this brake. The function is
the same, but they contact different parts of the
flywheel. Figure 88 is a diagram of the system used on
recoil start engines. The brake pad engages the
bottom of the flywheel. Figure 89 is a photo of a
slightly different system used on electric start engines.
On electric start engines, the brake pad must contact
the side of the flywheel to clear the teeth of the flywheel
ring gear.
Electric Start
Disassembly
Recoil
Figure 89
Note: Numbers in parentheses in the following
0893-040
procedures refer to the previous illustration (see Figure
88).
1.
If the engine and blade are taking more than 3
seconds to stop when the blade control bail is
released, inspect the brake pad for excessive wear
and replace if necessary. Note that the brake pad
and the brake plate are replaceable only as an
assembly.
Figure 88
3297-023
1
2
- Ground strap stop 6 - Plastic rivet
2. To reduce the pressure of the spring between
brake mounting plate (10) and brake plate (8),
squeeze tabs of brake cable that hold it in place at
the brake mounting plate. Push cable through the
hole in brake mounting plate.
(
self expanding) (2)
- Self-tapping
screw
7 - Shoulder screw
(10 mm)
3
- Brake switch lead
wire
8 - Brake plate assembly
9 - Screw
3. Slide cable out through horizontal slot in brake
mounting plate. Also, slide the ball end of the
cable up through the vertical slot in the brake plate.
4
5
- Ground strap
- Insulation strap
10 - Brake mounting plate
Note: In step 4, some units may use a 3/8" head
with 1/4" diameter screw (rather than a 10 mm).
4.
5.
Remove the 10 mm shoulder screw (7) to remove
the brake plate and brake pad attached to it.
If the ground strap or any part of this assembly
requires replacement, remove the second screw
(9)
to remove the brake mounting plate from the
engine.
48
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| Language | English |
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