Replace Primary Fuel Filter—IOOS and Cab

P13961-UN-20JAN06

A - Fuel Lines

B - Clamp

C - Primary Fuel Filter

Service Interval — Every 500 hours

1. Remove fuel lines (A).

2. Loosen clamp (B) and remove primary fuel filter (C).

3. Install filter element. Arrow must be pointing forward.

4. Turn key in main switch to the right to the first switch position so that the fuel transfer pump is operating. Keep the pump running for approximate 20 seconds.