2008/03/31 Caterpillar

Wheel Loader:

992G (S/N: 7HR1-UP; AZX1-UP; ADZ1-UP)

Service Magazine SEPD0934, 31 March 2008, "New Lift Cylinder Assemblies Are Available For Certain Large Wheel Loaders". The information in this article has changed. Refer to the following information.

New lift cylinder assemblies are available for 992G Large Wheel Loaders.

The new cylinder assemblies incorporate new cylinder caps. Also, the new lift cylinder has an improved welding procedure for securing the cap to the cylinder tube.

Machines and Parts

The new cylinder assemblies are currently in production on following machines:

• 992G AZX801-UP

Table 1

992G Large Wheel Loaders
Sales Model	Former Part Number	New Part Number	Description
992G	162-1522	315-3043	Lift Cylinder Gp (RH)
	136-7880
	162-1524	315-3045	Hydraulic Cylinder (RH)
	136-7879
992G	162-1523	315-3044	Lift Cylinder Gp (LH)
	112-8209
	162-1525	315-3046	Hydraulic Cylinder (LH)
	112-9823

The lift cylinders can be used on the following machines:

• 992G 7HR1-UP

• 992G ADZ1-UP

• 992G AZX1-800

Refer to the Disassembly and Assembly for your machine in order to install the lift cylinder.

Illustration 1	g03692230
(A) 375-4307 Piston (New) (B) 146-2616 Piston (Old) (1) Recess (2) Seal (3) Wear band

Note: When using the 375-4307 Piston to rebuild the earlier 162-1522 Lift Cylinder Gp and 162-1523 Lift Cylinder Gp, the piston must be oriented with the recess toward the retaining nut.