Lincoln Electric RANGER SVM148-B Service Manual page 130

Lincoln electric welder user manual
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F-71
STATOR AND/OR ROTOR REMOVAL AND REPLACEMENT (continued)
REASSEMBLY NOTES
1. Be sure to remove the rotor bearing from
the stator frame before reinstalling the
rotor/stator
ring.
2. Install the rotor to the flex plate and install
the flex plate to the engine.
3. Carefully install the stator. Tighten the
eight bolts finger-tight only.
4. Install a new tolerance ring and press in a
new rotor bearing.
5. Tighten stator bolts.
6. Check the air gap for .015" (minimum).
7. Position the front panel and the reactor in
place.
8. Perform the Brush Replacement Pro-
cedure.
9. Perform the Field Capacitor and Field
Rectifier Bridge Replacement Pro-
cedure. (Ranger 300 DLX only.)
10. Perform the Output Capacitor Bank
Replacement Procedure.
11. After installing the choke, perform the
Output Contactor Replacement Pro-
cedure (Ranger 300 DLX only, if
removed).
12. Mount the choke, reactor, front panel,
and vertical baffle.
13. Replace insulation and wire ties previous-
ly removed.
14. Mount the output rectifier assemblies.
TROUBLESHOOTING & REPAIR
Also remove the tolerance
RANGER 300 D AND 300 DLX
LEAD RECONNECTION
CHECKLIST
ENGINE
■ ■
Lead #226 and #5W to fuel gauge
FRONT PANEL
■ ■
Lead #E to common ground screw
■ ■
Lead #6 to CB2 (note that it passes through
the idler current sensor)
■ ■
Lead #3 to CB3 (note that it passes through
the idler current sensor)
■ ■
Stator leads C1, C2, C3, and C4 to the S2
range switch (DLX machines)
■ ■
In-line connectors #32 and #42 to the 14-
pin amphenol
■ ■
Lead W1 to the top of the negative (–) out-
put rectifier (left side)
■ ■
Lead W4 to the center of the positive (+)
output rectifier (right side)
■ ■
Lead W2 at lead R bolted connection (tape
the connection)
■ ■
Leads W5 and W6 between the choke and
polarity switch S1 (Ranger 300 DLX only)
■ ■
Lead A1 between the reactor and the bot-
tom of the negative (–) output rectifier (left
side)
F-71

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