CASE-TRANSFER 4636192 - Caterpillar

Illustration 1 g02556241
(A) 65 mm (2.56 inch) (B) 26.3 mm (1.04 inch) (C) 66.3 mm (2.61 inch) (1) Existing holes (2) New holes
Identify the location for the new holes to be drilled in the bracket. Refer to Illustration 1.
Mark and drill the new holes using a 6 mm (0.25 inch) drill bit.
Touch up the new mounting holes with paint.Modifying the Cover Group for the New P-Frame Breaker and Installing the New Breaker
Remove the rubber boot from the cover (if equipped).
Illustration 2 g02518718
(D) 25 mm (1 inch) (3) Material to be removed (4) Existing breaker hole
The following procedure is applicable for all generator sets except generator number prefixes S/N:KAP, ; S/N:KAR, and ; S/N:KPS. For Generator Sets with serial number prefixes ; S/N:KAP, ; S/N:KAR, and ; S/N:KPS proceed to Step 6. All other prefixes must outline the new opening for the cover using the dimensions in Illustration 2.
Cut the new rectangular opening using the necessary tooling.
Smooth the sharp edges and paint the area around the new opening.
Mount the new P-frame breaker onto the modified bracket using the hardware provided with the new breaker. Reposition the mounting bracket to ensure that the cover is aligned with the front face of the breaker. Proceed to Step 10.
Illustration 3 g02540005
Configuration 1 (E) 190 mm (7.48 inch) (F) 57.8 mm (2.28 inch) (G) 212 mm (8.35 inch) (H) 101.4 mm (4 inch) (J) 74 mm (2.91 inch) (K) 104.5 mm (4.11 inch) (3) Material to be removed (4) Existing breaker hole
Illustration 4 g02540264
Configuration 2 (L) 190 mm (7.48 inch) (M) 46.3 mm (1.82 inch) (N) 212 mm (8.35 inch) (P) 80 mm (3.15 inch) (Q) 98 mm (3.85 inch) (R) 132 mm (5.20 inch) (3) Material to be removed (4) Existing breaker hole
Illustration 5 g02540299
Configuration 3 (S) 190 mm (7.48 inch) (T) 65.5 mm (2.58 inch) (U) 212 mm (8.35 inch) (V) 97.3 mm (3.80 inch) (W) 79 mm (3.11 inch) (X) 108.6 mm (4.28 inch) (3) Material to be removed (4) Existing breaker hole
If the Generator Sets have serial number prefix S/N:KAP, ; S/N:KAR, or ; S/N:KPS, identify which Illustration to use based on the dimensions of the opening. For a 98 mm (3.85 inch) x 132 mm (5.20 inch) opening use Illustration 4. For a 79 mm (3.11 inch) x 108.6 mm (4.28 inch) opening use Illustration 5, and for a 74 mm (2.91 inch) x 104.5 mm (4.11 inch) opening use Illustration 3.
Using the correct Illustration, mark the location of the new opening.
Smooth the sharp edges and paint the area around the new opening.
Mount the bracket and the breaker assembly in the extension box using the existing hardware.
Install the bus bars on the new breaker group using the new hardware provided with the new breaker group.
Reconnect power cables using existing hardware and install the cover onto extension box.