3304 & 3306 INDUSTRIAL & MARINE ENGINES Caterpillar


Fuel Injection Pumps

Usage:

Disassemble Fuel Injection Pumps

start by:

a) remove fuel injection pumps

1. Remove bushing (1) and seal (7) from bonnet (2).

2. Remove ring (4) from the bonnet and barrel (9). Remove check valve (3) and spring (8) from the bonnet.

3. Remove spring (10) and washer (5). Remove plunger (11) and sleeve (6).

NOTE: Keep the plunger and sleeve with their respective barrel for installation. Do not use plungers, sleeves or barrels with other plungers, sleeves or barrels.

Assemble Fuel Injection Pumps

1. Install sleeve (4), plunger (5), spring (2) and washer (3) on barrel (1).


NOTICE

Make sure the sleeve is installed with the thin edge up.


NOTE: Be sure the sleeve and plunger are installed in their original barrel. Make sure the large hole in the plunger is up.

2. Install the check valve and spring in the bonnet. Connect the barrel and bonnet and install the ring. Install the seal and bushing on the bonnet.

end by:

a) install fuel injection pumps

Caterpillar Information System:

3304 & 3306 INDUSTRIAL & MARINE ENGINES Fuel Injection Pump
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