ADAPTER 9N1553 - Caterpillar

Introduction
Measuring the amount of drift of the machine on a slope will determine if there is a need to check the travel brake.This information covers the following test:
Machine Drift on a SlopeRequired Tools
Table 1
Required Tools    
Description    Qty    
Stopwatch     1    
Scale
150 mm (6 inch)     1    Test Preparation
The relief valve pressure setting must be set to the relief valve pressure specification before performing this operational check. Refer to Testing and Adjusting, "Relief Valve (Main, Load Sensing) - Test and Adjust".Test Procedure
Place the machine on a slope of 12 degrees. The surface of the slope must be hard and smooth.
Measure the track drift with stick and tool cylinder fully extended. Position boom cylinder so that rod to link pin is 800 mm (31.5 inch) above the ground.
Stop the engine.
Illustration 1 g00297498
To indicate the relative position of the machine to the slope, put a mark on both the track and the ground. Refer to Illustration 1.
Measure the machine movement on the slope after 3 minutes.
The machine drift should be zero.