ELECTRIC START SYSTEM
How It Works
3.
Reverse the VOM leads and recheck the same
two terminals. Note the results. You should have
found continuity in one direction, but not the other.
If not, replace the rectifier. This test must be
performed on all four sides of the rectifier.
Coming straight from the 120-volt outlet, the current is
half-positive and half-negative. The rectifier charger
polarity “filters” out the negative half of the wave to give
you a direct current (Figure 154).
Figure 156
1352-14
Figure 154
0623-08
Rectifier Troubleshooting
Refer to "CHECKING THE STARTER SWITCH" on
page 6 - 10 for additional troubleshooting.
1.
2.
Disconnect the rectifier assembly from the wiring
harness.
Starter Replacement
Check continuity between the terminals (two side
by side terminals) on one side of the rectifier with
a Volt-Ohmmeter (Figure 155). Note the results.
The original starter part # 28-9140 has been
discontinued. Refer to service bulletin #48 (Dated
March 9, 1994) for replacement parts and installation
procedures.
Figure 155
1352-13
6 - 8
Single Stage Snowthrower Service Manual
(3 votes, average: 4.67 out of 5)
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The manual provides detailed step-by-step instructions for engine removal and installation but there is nothing in it about repair of the recoil starter. The engine removal instructions will be helpful because the starter is buried behind the fuel tank and engine support bracket. I think my problem is a sticking starter dog but getting to it will be a major project.
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