2007/08/27 Caterpillar

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

Usage:

216B RLL

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.

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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
TEST	SPECIFICATION	ACTUAL	SPECIFICATION	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

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^( 1 )	GROUP 1: 226B MJH 1-7775, and 242B BXM 1-3253
^( 2 )	GROUP 2: 226B MJH 7776-UP, and 242B BXM 3254-UP

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Table 2
TEST	HIGH IDLE
TEST	SPECIFICATION	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

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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)

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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)