Replace Fuel Prefilter-500 Hours

IMPORTANT: Before removing prefilter verify "IN" is marked on fuel tank end of filter. If filter is reused, be sure to install in the same direction as removed. Incorrect installation of filter could cause damage to transfer pump.

1. Verify "IN" mark on end of prefilter (A) or mark direction of fuel flow.

2. Remove filter from lines.

IMPORTANT: Failure to replace clogged or damaged prefilter could result in damage to transfer pump.

3. Back flush filter with compressed air. If unrestricted flow is obtained install filter in same direction as removed. Replace clogged or damaged prefilter.

N51526


A-Prefilter

NX,HYD,S2 -19-04JAN99-1/1