Chicago Pneumatic CPS 750, Instruction Manual, Page: 73 / 94

Instruction Manual
1310 3012 02 73
CPS
5.3.3 Replacing filter elements
Fuel filter
AC Fuel Pre-filter
Caterpillar fuel filter
(1)
(4)
(5)
(3)
(2)
Step Action
1 Drain fuel from the bowl.
2 Remove filterelement (2) and separate bowl (1) from element.
3 Apply film of gas oil to bowl seat.
4 Screw bowl (1) to new element (2) tightly by hand.
5 Apply film of gas oil to new element seal.
6 Screw on filter tightly by hand.
7 Open head vent (3) and operate pump (4). Close vent when fuel begins to purge.
8 Check for leaks, retighten if necessary.
Step Action
1 Remove the fuel filter (5), e.g. by means of a special tool. Catch the fuel in a drain
pan.
2 Clean the filter seat on the manifold, taking care that no dirt drops into the system.
Apply film of gas oil to the gasket of the new filter element. Screw it into place until
the gasket contacts its seat, then tighten a 3/4 turn.
3 Follow the specific start procedure as described in section 5.3.2 Fuel system -
Prime .
4 Check for fuel leaks once the engine has been restarted.