1998/05/04 Caterpillar


New Rear Glass Assembly Improves Cab Assemblies{7300,7310}

Usage:


307B (4RW),
311B (8GR, 8HR, 2LS, 2MS),
312B (9GR, 9HR, 2NS, 3ES),
312B L (8JR, 3FS),
315B (1SW, 2DW),
315B L (3AW),
320B (3MR, 5BR, 1CS, 4FS, 8ES),
32OB L (4MR, 6CR, 9CS),
320B N (4NR),
322B (8MR, 3NR),
322B L (5CR, 8NR, 1AS),
325B (8PR, 8GM),
325B L (8RR, 1GS, 7EN),
330B (8SR, 9HN),
330B L (8TR, 1JS, 2RR),
345B (2ZW),
345B L (3MW, 4SW) Excavators

Description of Change: The new rear glass assembly features a wider and thicker polycarbonate frame for more strength. The new frame also improves the contact with the rubber seal around the window opening. This improved contact eliminates water and dust from entering the cab through this window when the window is closed.

Adaptable To: The new 151-6757 Frame (not serviced) is part of the new 151-6755 Glass Assembly. The new frame is 4 mm (.16 in) thicker and 11 mm (.43 in) wider than the former 133-8017 Frame. The new 151-6755 Glass Assembly replaces the former 133-8018 Glass Assembly. See the chart for effectivity and adaptability information. The chart also shows the basic cap groups that use the new 151-6755 Glass Assembly.


Illustration 1.
Rear view of cab assembly.


Illustration 2.
View A-A.

(1) New frame assembly.
(2) Seal.
(3) Glass.


Illustration 3.
A comparison of frame construction. The new frame is in the upper left portion of the illustration.

Caterpillar Information System:

1998/05/04 Serviceable Parts For Hydraulic Pilot System Pump{5073,5085}
1998/05/04 New Retaining Ring In Final Drive Motor Group Improves Reliability{5058}
1998/05/04 Special Instructions Are now Available For Installing Two-Way And Four-Way Pilot Valves{5051,5059}
1998/04/27 New Hardened Sleeve For Load Check Valve In Control Valve For Stick Circuit Improves Service Life {5067}
1998/04/27 New Relief Valves In Main Control Valve Improve Swing Operation {5051,5454}
1998/04/27 New Design Improves Travel Motor Regulator {4351}
1998/04/20 Oil Filter Group Changed To Allow Oil To Be Easily Drained From Oil Lines{1307}
1998/04/20 Oil Filter Group Changed To Allow Oil To Be Easily Drained From Oil Lines{1307}
1998/04/20 Additional Clip In Fuel Injection Lines Groups Helps Secure Advanced Diesel Engine Management (ADEM) I Electronic Control Module (ECM) Fuel Cooling Hose{1252}
1998/04/20 The Swing Bearing In The Bearing And Gear Group Is Improved{7063,5459}
1998/04/20 Improved Ground Engaging Tool (GET) Pin And Retainer Assembly Are Available{6805}
1998/04/20 Optional Valve Spool Kits Are Available For The Pilot Valve Group To Modify The Response Of Implement Controls{5059,5462,5465,5466}
1998/05/04 New Load Sensing Signal Relief Valve Prevents Wear Between Load Piston And Housing{5117}
1998/05/04 Improved Alternator Groups Now Available{1405}
1998/05/04 ROPS Instruction Film Available Through Parts Service{7177,7405}
1998/05/11 Special Instruction, REHS0183, "Removal And Installation Of Tamperproof Caps On A RSV Governor" Is Available {1264}
1998/05/11 A New Switch Used In High Pressure Screens Of Discharge Lines From Hydraulic Pumps Is Resistant To Internal Leakage Of Hydraulic Oil {5050}
1998/05/11 Bolt Pattern Change From Six To Four In Piston And Rod For Bucket And Stick Cylinders Improves Service Life {5457,5458}
1998/05/11 New Engine Lifter Arm Assembly With Crowned Roller Used In Lifter Groups {1209}
1998/05/18 New Final Drive Parts Reduce Gear Play {4051}
1998/05/18 Entertainment Radios Improved With Increased Reliability {7338}
1998/05/25 New Main Pump Group Creates New Specifications For Service Manual Module SENR8961 {5050,0372}
1998/05/25 New Main Pump Group Creates New Specifications For Service Manual Module SENR8971 {5050,0372}
1998/05/25 New Ether Starting Aid Group Used {1456}
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