9D6648 PISTON Caterpillar parts
768C, 769C, 773B
Rating:
Alternative (cross code) number:
CA9D6648
9D-6648
9D6648
CA9D6648
9D-6648
9D6648
Weight: 7 pounds 3 kg.
TRACTOR, TRUCK,
Information:
Steering System
Reference: Refer to Testing & Adjusting, KENR####, "Steering System" for more detail on the following test.Steering Pump - Test and Adjust
Table 17
Status(1) Description Specification Actual Comments
Charge Pressure (High Idle) 2930 240 kPa (425 35 psi)
POR Valve Pressure (HC) and (HD) 1600 rpm 40505 1555 kPa (5875 226 psi)
Mechanical Neutral Pressure (HC) and (HD) 1500 rpm 345 kPa (50 psi) between pressure taps
Hydraulic Neutral Pressure (X1) and (X2) 1500 rpm 48 kPa (7 psi) between pressure taps
(1) N = Normal, M = Monitor, A = ActionBraking System
Reference: Refer to Testing & Adjusting, KENR####, "Braking System" for more detail on the following test.Brake Pressure - Test
Table 18
Status(1) Description Specification Actual Comments
High Idle at Pressure Tap (B1) 2558 187 kPa (371 27 psi)
Low Idle at Pressure Tap (B1) 2386 187 kPa (346 27 psi)
High Idle Right Final Drive 2558 187 kPa (371 27 psi)
Low Idle Right Final Drive 2386 187 kPa (346 27 psi)
High Idle Left Final Drive 2558 187 kPa (371 27 psi)
Low Idle Left Final Drive 2386 187 kPa (346 27 psi)
High Idle Left Final Drive Lube 140 70 kPa (20 10 psi)
Low Idle Left Final Drive Lube 18 +18 -17 kPa (2.6 +2.6 -2.5 psi)
High Idle Right Lube 140 70 kPa (20 10 psi)
Low Idle Right Lube 21 +21 -20 kPa (3 +3 -2.9 psi)
Parking Brake or Service Brake engaged at Pressure Tap (B1) 70 kPa (10 psi)
(1) N = Normal, M = Monitor, A = ActionS.O.S
Reference: Refer to Operation and Maintenance Manual, SEBU9087, "Maintenance Interval Schedule" for more detail on performing S.0.S samples.
Table 19
Status(1) Description Obtain Comments
Engine Oil Sample Every 250 Service Hours
Cooling System Coolant Sample (Level II) Initial 500 Hours
and
Every 200 Service Hours or 1 Year
Hydraulic Oil Sample Every 500 Service Hours
Power Train System Oil Sample Every 500 Service Hours
Final Drive Oil Sample Every 500 Service Hours
(1) N = Normal, M = Monitor, A = Action
Reference: Refer to Testing & Adjusting, KENR####, "Steering System" for more detail on the following test.Steering Pump - Test and Adjust
Table 17
Status(1) Description Specification Actual Comments
Charge Pressure (High Idle) 2930 240 kPa (425 35 psi)
POR Valve Pressure (HC) and (HD) 1600 rpm 40505 1555 kPa (5875 226 psi)
Mechanical Neutral Pressure (HC) and (HD) 1500 rpm 345 kPa (50 psi) between pressure taps
Hydraulic Neutral Pressure (X1) and (X2) 1500 rpm 48 kPa (7 psi) between pressure taps
(1) N = Normal, M = Monitor, A = ActionBraking System
Reference: Refer to Testing & Adjusting, KENR####, "Braking System" for more detail on the following test.Brake Pressure - Test
Table 18
Status(1) Description Specification Actual Comments
High Idle at Pressure Tap (B1) 2558 187 kPa (371 27 psi)
Low Idle at Pressure Tap (B1) 2386 187 kPa (346 27 psi)
High Idle Right Final Drive 2558 187 kPa (371 27 psi)
Low Idle Right Final Drive 2386 187 kPa (346 27 psi)
High Idle Left Final Drive 2558 187 kPa (371 27 psi)
Low Idle Left Final Drive 2386 187 kPa (346 27 psi)
High Idle Left Final Drive Lube 140 70 kPa (20 10 psi)
Low Idle Left Final Drive Lube 18 +18 -17 kPa (2.6 +2.6 -2.5 psi)
High Idle Right Lube 140 70 kPa (20 10 psi)
Low Idle Right Lube 21 +21 -20 kPa (3 +3 -2.9 psi)
Parking Brake or Service Brake engaged at Pressure Tap (B1) 70 kPa (10 psi)
(1) N = Normal, M = Monitor, A = ActionS.O.S
Reference: Refer to Operation and Maintenance Manual, SEBU9087, "Maintenance Interval Schedule" for more detail on performing S.0.S samples.
Table 19
Status(1) Description Obtain Comments
Engine Oil Sample Every 250 Service Hours
Cooling System Coolant Sample (Level II) Initial 500 Hours
and
Every 200 Service Hours or 1 Year
Hydraulic Oil Sample Every 500 Service Hours
Power Train System Oil Sample Every 500 Service Hours
Final Drive Oil Sample Every 500 Service Hours
(1) N = Normal, M = Monitor, A = Action
Caterpillar parts catalog:
Parts piston Caterpillar catalog:
9P4234
PISTON
769C
769C
9P4236
PISTON
769C
769C
3G3961
PISTON
130G, 777
130G, 777
8J8899
PISTON
776, 777
776, 777
8J9392
PISTON
776, 777
776, 777
1T1263
PISTON
777
777
7T0046
PISTON-LOAD
777B, 785
777B, 785
1U4044
PISTON
785
785
6P8166
PISTON
777
777
1S3317
PISTON ASSEM.
769C, 772, D35C, D35HP, D44B, D550B
769C, 772, D35C, D35HP, D44B, D550B
6G5363
PISTON ASSEM.
769C, D35C, D35HP, D44B, D550B
769C, D35C, D35HP, D44B, D550B