. MAINTENANCE MAINTENANCE PROCEDURE Adjustment WARNING 4 - 27 CHECK AND ADJUST TRACK TENSI (Machine eq uipped with steel shoes, road The wear of the pins and bushings on the rking conditions and type of soil, so inspect the t rack tension frequently in ord er to maintain the standard tension. Stop the ma chine on firm, horizontal grou nd when carrying out the inspection and maintenance Checking engine at low idling, move the machine forward a 1. Run the distance machine 2. Choose roller (2) 3. Measure the track Stand Deflec 1. Run the equal to the length of track o 2. Choose wooden block (3) that will reac h from idler (1) to carrier , then place it on top of the tra ck.
ween the top surface of e wooden block. m (0.4 to 1.2 in). 3. Measure the maximum deflection bet and the bottom surface of th ard deflection tion "a" should be 10 to 30 m If the track te nsion is not at the standard v alue, adjust it in the following mann There is dange r of plug (4) flying out under the h igh internal pressure of the grease. Never loosen plug (4) more than 1 turn . ever put your face in the the procedure given here, Never loosen any part other than plug (4). N ction of plug (4). nsion cannot be loosened with t your Komatsu distributor. mounting dire If the track te please contac Increasing Track Tension Prepare a grease gun. Prepare a gr 1. Pump in 2.
To check idling, m of track 3. Check th adjust it 1. Pump in grease through grease fitting (5) with a grease pump. 2. To check that the track tension is corre ct, run the engine at low ove the machine forward a dis tance equal to the length on ground, then stop the mac hine. 3. Check th e track tension again, and if t he tension is not correct, again.