GEAR (16 teeth) 1V1395 - Caterpillar

Specifications
Table 1
Worksheet
Target Pressure Actual Pressure
3100 300 kPa (450 45 psi)(1)(2)
(1) Pressures are for both the front and rear axles.
(2) The rear differential lock is an attachment.Introduction
When testing and adjusting the transmission and power train, move the machine to an area clear of obstructions, with safe exhaust ventilation for the exhausts. Sudden movement of the machine or release of oil under pressure can cause injury to persons on or near the machine. To prevent possible injury, do the procedure that follows before testing and adjusting the transmission and power train.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Dispose of all fluids according to local regulations and mandates.
The following procedure is used in order to test the operation of the differential lock.Required Tools
Illustration 1 g01089423
Illustration 2 g01623868
Table 2
Tool Item Qty Part Number Description
A A1 1 8T-0856 Pressure Gauge
(0 to 6,000 kPa (0 to 870 psi))
A2 1 6V-3989 Fitting
A3 2 6V-4143 Quick Connect Coupler
A4 1 177-7860 Hose As
(3.0 m (10 ft))
B B 198-4240 Digital Pressure Indicator Gp
B1 1 198-4234 Digital Indicator
B2 1 198-4237 Pressure Sensor Gp
(0 to 3,445 kPa (0 to 500 psi))
B3 1 198-4236 Adapter Cable As Machine Preparation
Operate the machine until the transmission oil at the sump is at operating temperature of 76° 7°C (169° 13°F). Operate the machine until the hydraulic oil is at operating temperature of 62° 8°C (144° 14°F).
Locate the machine on a hard level surface. Engage the parking brake. Shut off the engine.
Illustration 3 g03734976
The front differential lock pressure tap is located inside the non-engine frame. The tap is mounted to the left-hand side of the machine.
(13) Front differential lock pressure tap
Illustration 4 g03734978
The rear differential lock pressure tap is located under the cab, on the engine frame. The tap is mounted to the right-hand side of the machine, near the right-hand steering neutralizer .
(14) Rear differential lock pressure tap Note: The rear differential lock is an attachment.
Remove the dust cap. Attach Tooling (A) to the test port. Test port (13) is for the front axle. Test port (14) is for the rear axle.Note: Rear differential lock is an attachment.Test Procedure
Start the engine and run the engine at low idle.
Place transmission in second neutral.
Depress the differential lock floor switch located in the cab. Hold switch for 5 seconds. Release differential lock floor switch for 5 seconds. Repeat step 3 four more times.
Measure pressure at low idle. Transmission in second neutral and differential lock floor switch depressed in cab. No steering or implement commands allowed during test. Ensure that the pressure for each axle is within the limits listed in Table 1.
The gauge should read 3100 300 kPa (450 45 psi).
If the differential lock valve appears to be working properly, the differential lock clutch may