2007/08/27 Changes to Testing and Adjusting, RENR4897, "216B, 226B, 232B, and 242B Skid Steer Loaders Machine Systems" , "Worksheets - Troubleshoot" {4350, 5050} Caterpillar


Changes to Testing and Adjusting, RENR4897, "216B, 226B, 232B, and 242B Skid Steer Loaders Machine Systems" , "Worksheets - Troubleshoot" {4350, 5050}
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2007/08/27 [SEPD0903]
HYDRAULIC SYSTEM
2007/08/27 Changes to Testing and Adjusting, RENR4897, "216B, 226B, 232B, and 242B Skid Steer Loaders Machine Systems" , "Worksheets - Troubleshoot" {4350, 5050}
Skid Steer Loader:
216B2 (S/N: RLL6800-UP)
232B2 (S/N: SCH2475-UP)
Testing and Adjusting, RENR4897, "216B, 226B, 232B, and 242B Skid Steer Loaders Machine Systems", "Worksheets - Troubleshoot". This module is part of Service Manual, RENR4890.

New specifications have been added to the tables below for the listed B2 series machines.

Table 1
BASELINE FOR THE HYDROSTATIC SYSTEM    
TEST     LOW IDLE     216B, 232B S/N:SCH1-2474
2500 ± 25 RPM
232B2 S/N:SCH2475-UP
2550 ± 25 RPM
226B, 242B Group 1 (1) 2800 ± 10 RPM
226B, 242B Group 2 (2) 2550 ± 25 RPM    
SPECIFIAVSION ACTUAL     SPECIFIAVSION     ACTUAL    
Charge Pressure    
3100 ± 200 kPa (450 ± 29 psi)    
    216B, 232B

3225 ± 200 kPa (468 ± 29 psi)
226B, 242B
Group 1 (1)

3260 ± 200 kPa (473 ± 29 psi)
226B, 242B
Group 2 (2)

3225 ± 200 kPa (468 ± 29 psi)    
   
Speed Sensing Pressure     216B, 232B

900 ± 200 kPa (131 ± 29 psi)
Group 1 (1)
N/A
Group 2 (2)

900 ± 200 kPa (131 ± 29 psi)    
    216B, 232B S/N:SCH1-2474

1800 ± 150 kPa (261 ± 22 psi) at 2500 ± 25 RPM
232B2 S/N:SCH2475-UP

2150 ± 150 kPa (312 ± 22 psi) at 2550 ± 25 RPM
226B, 242B
Group 1 (1)

2610 ± 50 kPa (380 ± 8 psi) at 2800 ± 10 RPM
226B, 242B Group 2 (2)

2150 ± 150 kPa (312 ± 22 psi) at 2550 ± 25 RPM    
   
( 1 ) GROUP 1: 226B MJH 1-7775, and 242B BXM 1-3253
( 2 ) GROUP 2: 226B MJH 7776-UP, and 242B BXM 3254-UP

Table 2
TEST     HIGH IDLE    
SPECIFIAVSION ACTUAL    
Fan Speed     216B, 232B S/N:SCH1-2474
2600 ± 50 RPM
226B, 232B2 S/N:SCH2475-UP, 242B
3400 ± 50 RPM    
   
Demand Fan (if equipped)     226B, 232B2 S/N:SCH2475-UP, 242B
2448 ± 50 RPM    
   

Table 3
MAIN RELIEF VALVE PRESSURE    
HIGH IDLE    
TEST     216B S/N:RLL1-6799, 232B S/N:SCH1-2474     216B2 S/N:RLL6800-UP, 226B, 232B2 S/N:SCH2475-UP, 242B     ACTUAL    
Main Relief    
21400 ± 700 kPa (3104 ± 102 psi)    

23000 ± 700 kPa (3336 ± 102 psi)    
   

Table 4
LINE RELIEF VALVE PRESSURE (MACHINE TEST)    
HIGH IDLE    
TEST     Specification     ACTUAL    
216B S/N:RLL1-6799, 232B S/N:SCH1-2474 216B2 S/N:RLL6800-UP, 226B, 232B2 S/N:SCH2475-UP, 242B
Lift Cylinder RAISE    
21400 ± 700 kPa (3104 ± 102 psi)    

23000 ± 700 kPa (3336 ± 102 psi)    
   
Tilt Cylinder FORWARD    
21400 ± 700 kPa (3104 ± 102 psi)    

23000 ± 700 kPa (3336 ± 102 psi)    
   
Tilt Cylinder RACK BACK    
21400 ± 700 kPa (3104 ± 102 psi)    

23000 ± 700 kPa (3336 ± 102 psi)    
   
Auxiliary    
21400 ± 700 kPa (3104 ± 102 psi)    

23000 ± 700 kPa (3336 ± 102 psi)    
   

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2007/08/27 Changes to Testing and Adjusting, RENR4897, "216B, 226B, 232B, and 242B Skid Steer Loaders Machine Systems" , "Hydrostatic System - Test and Adjust" {4350, 4350}
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