1640956 HARNESS AS-PANEL Caterpillar parts
621G, 623G, 627G, 631G, 637G  
 
 
Rating:
 Alternative (cross code) number:
CA1640956
164-0956
1640956
 
CA1640956
164-0956
1640956
 
 
  Weight: 5 pounds 2 kg. 
  WHEEL TRACTOR,
Information:
 Standard Steering Mode
Note: Permit only one operator on the machine. Keep other personnel away from the machine or in the operator's sight.
Move the machine to a smooth, horizontal location. Move the machine away from other operating machines and away from personnel.
Run the engine at LOW idle with the transmission in NEUTRAL.
Disengage the parking brake.
Illustration 1 g01400089
Quick steering switch
If the machine is equipped with quick steering, be sure that the machine is in standard steer mode. When the machine is in standard steer mode, the light on the quick steering switch is off.
Run the engine at HIGH idle.
Turn the steering wheel to the left until you contact a steering stop.
Turn the steering wheel from the left steering stop to the right steering stop. Write down the needed time.
Turn the steering wheel from the right steering stop to the left steering stop. Write down the needed time.
Engage the parking brake.
Turn off the engine.
The cycle time for steering lock to steering lock at HIGH idle in standard steering mode should be 2.1 to 2.4 seconds.The steering pump should be working properly if the cycle times match the cycle times
 Note: Permit only one operator on the machine. Keep other personnel away from the machine or in the operator's sight.
Move the machine to a smooth, horizontal location. Move the machine away from other operating machines and away from personnel.
Run the engine at LOW idle with the transmission in NEUTRAL.
Disengage the parking brake.
Illustration 1 g01400089
Quick steering switch
If the machine is equipped with quick steering, be sure that the machine is in standard steer mode. When the machine is in standard steer mode, the light on the quick steering switch is off.
Run the engine at HIGH idle.
Turn the steering wheel to the left until you contact a steering stop.
Turn the steering wheel from the left steering stop to the right steering stop. Write down the needed time.
Turn the steering wheel from the right steering stop to the left steering stop. Write down the needed time.
Engage the parking brake.
Turn off the engine.
The cycle time for steering lock to steering lock at HIGH idle in standard steering mode should be 2.1 to 2.4 seconds.The steering pump should be working properly if the cycle times match the cycle times
Caterpillar parts catalog:
Parts harness Caterpillar catalog:
 1963862
HARNESS AS-MONITOR
 
621G, 623G, 627G, 631G, 637G
 
621G, 623G, 627G, 631G, 637G
 2568677
HARNESS AS-PANEL
 
621G, 623G, 627G, 631G, 637G, 657G
 
 
621G, 623G, 627G, 631G, 637G, 657G
 1924143
HARNESS AS-BOX
 
631G, 637G
 
631G, 637G
 1658690
HARNESS AS-ENGINE
 
631G, 637G
 
631G, 637G
 1658686
HARNESS AS-SOLENOID
 
631G, 637G
 
631G, 637G
 1658687
HARNESS AS-CHASSIS
 
631G, 637G
 
631G, 637G
 1658685
HARNESS AS-TRANSMISSION
 
631G, 637G
 
631G, 637G
 1658688
HARNESS AS-SOLENOID
 
631G, 637G
 
631G, 637G
 1658689
HARNESS AS-CHASSIS
 
631G, 637G
 
631G, 637G
 1658691
HARNESS AS-FRONT CHASSIS
 
631G, 637G
 
631G, 637G
 2138736
HARNESS AS-FRONT CHASSIS
 
631D, 631G, 637G
  
631D, 631G, 637G
 1640952
HARNESS AS-RADIO
 
621G, 623G, 627G, 631G, 637G, 657G
 
621G, 623G, 627G, 631G, 637G, 657G
 1844900
HARNESS AS-CAB
 
621G, 623G, 627G, 631G, 637G, 657G
 
621G, 623G, 627G, 631G, 637G, 657G
 2568681
HARNESS AS-PANEL
 
621G, 623G, 627G, 631G, 637G, 657G
 
621G, 623G, 627G, 631G, 637G, 657G
 2053671
HARNESS AS-OPERATOR CONTROLS
 
621G, 623G, 627G, 631G, 637G
 
621G, 623G, 627G, 631G, 637G
 4473199
HARNESS AS-CAB
 
621G, 623G, 627G, 631G, 637G, 657G
 
621G, 623G, 627G, 631G, 637G, 657G
 4434561
HARNESS AS-CHASSIS
 
621G, 623G, 627G, 631G, 637G, 657G
  
 
621G, 623G, 627G, 631G, 637G, 657G
 1625560
HARNESS AS-REAR CHASSIS
 
621G, 623G, 627G, 631G, 637G
 
621G, 623G, 627G, 631G, 637G
 1625563
HARNESS AS-REAR LIGHTING
 
621G, 623G, 631G
 
621G, 623G, 631G
 1625561
HARNESS AS-REAR CHASSIS
 
621G, 627G
 
621G, 627G
 2568677
HARNESS AS-PANEL
 
621G, 623G, 627G, 631G, 637G, 657G
 
621G, 623G, 627G, 631G, 637G, 657G
 1963862
HARNESS AS-MONITOR
 
621G, 623G, 627G, 631G, 637G
 
621G, 623G, 627G, 631G, 637G
 
