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Home›Repair guides›Caterpillar›Lead to Lead Connection

Caterpillar SR4B — Lead to Lead Connection

Installation · Wiring

For the Caterpillar SR4B, from the Caterpillar service manual.

Applies to: Caterpillar SR4B

Procedure

  1. Fasten leads using flat plated washer under bolt and nut
  2. Apply two layers of varnished cambric high voltage tape
  3. Overlap tape 50% of width while wrapping
  4. Extend tape 25 mm onto wire insulation on each side
  5. Apply two layers of vinyl plastic tape over cambric tape
  6. Extend vinyl tape 51 mm onto wire insulation on each side
  7. Group all phase leads and secure with cable straps

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Tape overlap 50%
  • Insulation coverage 25-51 mm

Full service-parts list: Caterpillar SR4B →

Source: Caterpillar service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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