1998/11/23 Caterpillar


New Indicator Assembly In The Air Cleaner Group {1051,7452}

Usage:


311B (8GR, 8HR, 2LS, 2MS),
312B (9GR, 9HR, 2NS, 3ES),
312B L (8JR, 3FS),
315B (1SW, 2DW),
315B L (3AW, 7RZ),
317B L (9WW),
317B LN (6DZ),
320B (1CS, 1XS, 4FS, 3MR, 5BR, 4XW),
320B L (4MR, 6CR, 7JR, 5CS, 9WS, 5GW, 6LW, 2WZ),
320B LL (6LS, 9JS),
320B N (4NR, 2AS),
320B S (5MS),
322B (3NR, 8MR),
322B L (5CR, 8NR, 1AS, 1YS, 2ES),
322B LN (1ZS),
325B (8GM, 8PR),
325B L (6DN, 7EN, 2JR, 8RR, 1GS, 4DS, 5BS),
325B LN (8FN),
330B (9HN, 8SR, 5EZ),
330B L (2RR, 3YR, 6DR, 8TR, 1JS, 1KS, 4RS, 5LS),
330B LN (5LR) Excavators

Description of Change: A new indicator assembly is included in the air cleaner group. The new assembly consists of the electric indicator plus a new rubber cover. The new cover delivers improved protection from moisture. The air indicator assembly improves reliability and durability.

Adaptable To: The new 154-0498 Indicator Assembly consists of the new 154-0501 Cover (not serviced) and the relocated 109-9330 Electric Indicator in the air cleaner groups listed. It is effective with the models listed in the chart. It is adaptable to the earlier models listed in the chart and the models listed above. The location of the new assembly is shown in the illustration.


Right side view of a typical air cleaner group

(1) 154-0498 Indicator Assembly.

Caterpillar Information System:

1998/11/23 The Correct Procedure For Starting The Engine Provides Accurate Prestart Fluid Level Monitoring On Electronic Monitor {7490,1416}
1998/11/23 Identification Of Fuel Injection Tube Assemblies {1252}
1998/11/16 Revised Special Instruction, REHS0126-02, "Caterpillar Electronic Controls Service Code Information Description List", Available{0374,1901,1927,1930,1948,3168,4348,4802,4808,4810,4812,5511,5701,7490,7494,7601,7602,7610}
1998/11/16 Compensator And Socket Head Bolts For 3408E And 3412E Hydraulically Actuated Electronically Controlled Unit Injector (HEUI) Hydraulic Pump Now Available{1714}
1998/11/16 New Cab Platform Mounts Improve Cab Support And Flexibility{7253}
1998/11/16 Vacuum Breaker Moved From Horizontal To Angular Position On Hydraulic Tank{5056,5076}
1998/11/16 Special Instructions Are Now Available For Installing Two-Way And Four-Way Pilot Valves{5050,5059,5491}
1998/11/16 A Special Instruction Is now Available For Reinforcing Stick Assemblies{6500,6502}
1998/11/16 Special Instruction, REHS0347, "Instructions For Changing The Operating Language Of The DASA Computer" Available{0374,7600}
1998/11/09 Stanadyne Fuel Injection Pumps Now Equipped With Tamper Resistant Fittings {1251}
1998/11/09 Improved VIMS 100-3055 And 118-7226 Temperature Sensor Groups Now Used {7601,1408}
1998/11/09 Differences In Swivels Are Identified To Determine Correct Seal Kit Use {5060}
1998/11/23 New Seal Kits Prevent Hydraulic Cylinder Oil Leaks {5456,5457,5458}
1998/11/23 New Check Valve Used For Refueling Pump {1295}
1998/11/23 Be Sure Electronic Controllers Are Grounded At Machine Service Inspections {1408,1901,5702}
1998/11/23 The Solenoid Valve Group Used For Low Flow Attachment Has Improved Performance {5051,5479}
1998/11/23 New Radio Requires Preventive Maintenance To Eliminate Battery Drain {7338}
1998/11/23 Larger Value Backup Resistors Are Used In Electronic Wiring Group To Limit PRV Solenoids For Main Pump And Swing Pump {1437}
1998/11/23 Use FT2617 Bracket Assembly To Support Pumps When Removing Engine {1003}
1998/11/23 Change In Location And Size Of Crankshaft Counterweight Sequence Number {1231,1202}
1998/11/23 Use 155-1536 Valve Recession Tool Kit To Determine Valve Wear {1103}
1998/11/23 Use 155-8795 Crankshaft Gauge To Determine Distortion {1202}
1998/11/23 Use 153-8538 Refrigerant Solvent For Air Conditioner Refrigerant Flushing Units {0708}
1998/11/23 Use 154-9740 Wire Connector Rework Kit For Solid Cable To Component Connections {1408}
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