2009/06/01 Caterpillar

Articulated Truck:

725 (S/N: B1L1-UP; AFX1-UP)

730 (S/N: AGF1-UP; B1M1-2420,2422-UP)

730 EJECTOR (S/N: B1W1-UP)

735 (S/N: B1N1-UP; AWR1-UP)

740 (S/N: AXM1-UP; B1P1-UP)

740 EJECTOR (S/N: B1R1-UP; AZZ1-UP)

Off-Highway Truck/Tractor:

770 (S/N: BZZ1-UP)

772 (S/N: RLB1-UP)

773F (S/N: EED1-UP)

777F (S/N: JRP1-UP)

Quarry Truck:

775F (S/N: DLS1-UP)

Description of Change: The latch assemblies on the windows have been changed for Off-Highway Trucks and Articulated Trucks in order to improve service life. The new latch assemblies utilize a roll pin at the pivot in place of the nut and the bolt.

Adaptable To: The new latch assemblies are adaptable on the following machines:

• 725 (S/N: AFX1-1648; B1L1-2227)

• 730 (S/N: AGF1-UP; B1M1-2420; B1M2422-2485)

• 730EJ (S/N: B1W1-353)

• 735 (S/N: AWR1-UP; B1N1-1271)

• 740 (S/N: AXM1-UP; B1P1-4802)

• 740EJ (S/N: AZZ1-UP; B1R1-491)

• 770 (S/N: BZZ1-490)

• 772 (S/N: RLB1-521)

• 773F (S/N: EED1-UP; EXD1-UP)

• 775F (S/N: DLS1-UP)

• 777F (S/N: JRP1-UP; JXP1-UP)

• 725 (S/N: B1L2228-UP)

• 730 (S/N: B1M2486-UP)

• 730EJ (S/N: B1W354-UP)

• 735 (S/N: B1N1272-UP)

• 740 (S/N: B1P4803-UP)

• 740EJ (S/N: B1R492-UP)

• 770 (S/N: BZZ491-UP)

• 772 (S/N: RLB522-UP)

Illustration 1	g01783508
Old latch assemblies (1) 8Y-8294 Window Latch (2) 335-3680 Latch As

Illustration 2	g01783675
New latch assemblies (3) 341-8344 Window Latch for left front window (4) 341-8343 Window Latch for left rear window (5) 341-8342 Window Latch for Articulated Truck machines (6) 341-8345 Window Latch for right rear window

Off-Highway Trucks use 341-8345 Window Latch (6), 341-8344 Window Latch (3) and 341-8343 Window Latch (4). Articulated Truck models will use 341-8342 Window Latch (5). Refer to Table 1 for the proper replacement part number.

Note: Install the new latch assembly to the window. After the cap makes contact with the window, tighten by 1/4 turn.