2003/07/21 Caterpillar

Wheel Feller Bunchers:

533 (S/N: CDR1-UP)

543 (S/N: ASJ1-UP)

TK370 (S/N: WBD135-UP)

TK380 (S/N: WBE167-UP)

Wheel Skidders:

525B (S/N: 3KZ1140-UP)

535B (S/N: AAE640-UP)

545 (S/N: 2FZ450-UP)

Description of Change: A new fuel priming pump replaces the existing fuel priming pump. The new fuel priming pump has increased service life.

Adaptable To:

Illustration 1	g01013542
(1) 137-5541 Fuel Priming Pump (2) 1P-0436 Gasket (3) Fuel Filter

The new 137-5541 Fuel Priming Pump replaces the 105-2508 Fuel Priming Pump As .

The new 137-5541 Fuel Priming Pump is effective with the 525B S/N:3KZ1140-UP
Wheel Skidder, the 535B S/N:AAE640-UP
Wheel Skidder, the 545 S/N:2FZ450-UP
Wheel Skidder, the TK370 S/N:WBD135-UP
Wheel Feller Buncher, and the TK380 S/N:WBE167-UP
Wheel Feller Buncher.

The new 137-5541 Fuel Priming Pump is adaptable to the first production of the 525B S/N:3KZ1-UP
, the 535B S/N:AAE1-UP
, the 545 S/N:2FZ1-UP
, the 533 S/N:CDR1-UP
, the 543 S/N:ASJ1-UP
, the TK370 S/N:WBD1-UP
, and the TK380 S/N:WBE1-UP
.