1988/11/21 Caterpillar

Fuel Priming Pump Available As An Attachment{1258}

Usage:

3508, 3512, 3516 Standby Generator Sets

Description of Change: A 9Y6095 Fuel Priming Pump Group is now available as an attachment for the above standby generator sets if they are equipped with the 7C1308 Fuel Filter Group. See illustration for location of the pump assembly and connecting parts.

Adaptable To: The priming pump is first used as an attachment on 3508 Standby Generator Sets 23Z2073 and 1ZF433, 3512 Standby Generator Sets 24Z2272 and 3YF326, and 3516 Standby Generator Sets 25Z1288 and 4XF231. The fuel priming pump can be installed on earlier 3508, 3512, and 3516 Standby Generator Sets identified by the engine arrangements listed in the chart, IF they are equipped with the 7C1308 Fuel Filter Group.

To install the pump on any of the earlier engines listed in the chart, use all the parts in the following list. They are also shown in the illustration. These parts comprise the priming pump group, which is not serviced as a group, plus four additional parts which are now standard on these engines. The pump and its adapter are bolted to the fuel filter base.

1 - 4K6297 Elbow

2 - 3J1907 Seal

1 - 9Y4598 Adapter

1 - 9Y6094 Gasket

1 - 9Y8389 Gasket

1 - 9Y6096 Clamp

1 - 8B544 Spacer

1 - T65 Bolt

1 - 5P8874 Adapter

1 - 8M505 Connector

1 - 2M9780 Seal

1 - 307943 Elbow

1 - 9Y4595 Tube As.

1 - 9Y4596 Tube As.

1 - 1D4539 Bolt

1 - 9M1974 Washer

1 - 4W788 Pump As.

1 - 1B2714 Bolt

1 - 5P537 Washer

Locations of the parts for installation on earlier standby generator sets listed in the chart.

If the pump is to be installed on a standby generator set that was built after the pump became available as an attachment (serial numbers above those listed in the chart), use all the parts shown in the illustration except the following:

9Y4595 Tube Assembly

8B544 Spacer

T65 Bolt

307943 Elbow