New Fittings Are Now Used To Connect The Air Tank Group And The Engine Compressor Group On Certain Motor Graders {4272} Caterpillar

New Fittings Are Now Used To Connect The Air Tank Group And The Engine Compressor Group On Certain Motor Graders {4272}

Usage:

120K JAP

Motor Grader: 120K (S/N: SZN1-UP; JAP1-UP); 120K Series 2 (S/N: SZS1-UP); 12K (S/N: JJA1-UP; SZP1-UP); 140K (S/N: JPA1-UP; SZL1-UP); 140K Series 2 (S/N: SZW1-UP); 160K (S/N: SZM1-UP)

Description Of Change: New connectors are now used to connect the engine compressor group on certain Motor Graders. The new fittings will prevent leaks and increase the service life of the machine.

Adaptable To:

Show/hide table

Table 1
Required Parts
Item	Qty	Part Number	Part Description
1	1	6A-3591	Pipe Tee
2	1	124-5572	Relief Valve As
3	1	5L-5502	Fitting

Show/hide table

Table 2
Sales Model	Adaptable To:	Effective In Production With:
120K	S/N:SZN1-2057 S/N:JAP1-6893	S/N:SZN2058-UP S/N:JAP6894-UP
12K	S/N:SZP1-474 S/N:JJA1-3233	S/N:SZP475-UP S/N:JJA3234-UP
140K	S/N:SZL1-2628 S/N:JPA1-4061	S/N:SZL2629-UP S/N:JPA4062-UP
160K	S/N:SZM1-581	S/N:SZM582-UP
120K2	S/N:SZW1-187	S/N:SZW188-UP
140K2	S/N:SZS1-919	S/N:SZS920-UP

Show/hide table




Illustration 1	g06072254
View of fitting removal (A) 2H-9091 Pipe Connector (B) 5L-5502 Fitting

Remove adapter (A) and adapter (B) which connects to the air accumulator group.
Show/hide table

Illustration 2 g06072262

View of fitting installation
(1) 6A-3591 Fitting
Install fitting (1).
Show/hide table

Illustration 3 g06072271

View of connector removal
(C) 2H-3940 Pipe Connector
(D) 7D-4903 Fitting
Remove connector (C) and tee assembly (D) which connect to the air compressor group.
Show/hide table

Illustration 4 g06072278

View of tee installation
(2) 124-5572 Relief Valve As
(3) 5L-5502 Pipe Tee
Install pipe tee (3) with relief valve assembly (2).