2012/06/15 Caterpillar

New Clamping Method for Oil Cooler Supply Tubes for Certain 3512C and 3516C Engines {1307, 1308}

Usage:

Generator Set: 3516C (S/N: SBK1-UP)
Engine: 3512C (S/N: SLM1-UP) 3516C (S/N: PAG1-UP; TTJ1-UP; JTS1-UP)
Petroleum Engine: 3512C (S/N: R1A1-UP)

Description of Change: The new clamp provides a better seal at the joint for the elbow and the tube. The clamp assembly is more resistant to vibration of the tube.

Adaptable To: The 245-6848 Clamp As replaces the 4W-0531 Retainer on the engines that are listed above.

The 245-6848 Clamp As is adaptable to the above engines back to first production. Effectivity is listed in Table 1.

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Table 1
Effective Serial Numbers
S/N:R1A01717-UP
S/N:SLM00395-UP
S/N:PAG00481-UP
S/N:JTS00345-UP
S/N:SBK01373-UP
S/N:TTJ00355-UP

The new parts and other parts required for installation are listed in Table 2.

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Table 2
Qty	New Parts
2	0S-1571 Bolt
2	3S-1546 Full Nut
2	4F-8965 Bolt
4	5P-8244 Hard Washer
1	153-9963 Ring
2	245-6848 Clamp As

Note: The 5M-2894 Hard Washers can be removed from the original 4W-0531 Retainer for reuse.

Installation Procedure

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Illustration 1	g03087118
(1) 0S-1588 Bolt (2) 4W-0530 Retaining Ring (3) 4W-0531 Retainer (4) 5M-2894 Hard Washer

Remove two bolts (1), two washers (4), and two retainers (3) from the original oil cooler elbow.

Remove retaining ring (2) from the original oil cooler tube.

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Illustration 2	g03087117
(1) 0S-1571 Bolt (2) 3S-1546 Full Nut (3) 4F-8965 Bolt (4) 5P-8244 Hard Washer (5) 153-9963 Ring (6) 245-6848 Clamp As