Johnson J10RLSUR, Руководство по обслуживанию

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77
ELECTRICAL
ELECTRIC STARTER SERVICING
4
No Load Current Draw Test
Securely fasten starter in a vise or suitable fixture
before proceeding with this check.
Use a battery rated at 350 CCA or higher that is in
good condition and fully charged.
Connect a 0 to 50 amp ammeter in series with a
heavy jumper between the battery positive (+) ter-
minal and the starter positive (+) terminal.
Fluke
†
model 334 or 336, Snap - On
†
model MT110
or EETA501, and various other ammeters should
be available through your local tool suppliers.
Attach or hold a vibration tachometer, such as a
Frahm
†
Reed tachometer, to the starter.
Complete the circuit with a heavy jumper between
the battery negative (–) terminal and the starter
frame.
Monitor the starter RPM and current draw. Refer
to the chart below for the correct specifications.
IMPORTANT:
When performing this test, the
driven gear and pinion assembly must be
removed.
ELECTRIC STARTER
SERVICING
Removal
Disconnect the battery cables at the battery.
Remove the two retaining screws.
Disconnect the starter lead at the terminal on the
bottom of the starter.
Remove rectifier from the starter bracket.
Disassembly
IMPORTANT:
Before disassembly, scribe
marks on starter frame for reference during reas-
sembly.
Remove the two bolts.
Remove the drive end cap and the armature from
the frame and magnet assembly.
3459
No Load Current Draw Specifications
Model Voltage
Amps
(Maximum
)
RPM
9.9/15 12 to 12.4 7 7000 to 9200
1. Screws
2. Starter lead at terminal
3. Rectifier
32987
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1
2