. MAINTENANCE MAINTENANCE PROCEDURE MAINTENANCE MAINTENANCE PROCEDURE Loosening Track Tension WARNING 4 - 28 4. Continue comes zero (0) . If th e tension is st ill loose, the pin and b ushing are excessive ly worn, so the y must be either turned or replaced. Please co ntact your Kom atsu distributor fo r repair It is extremely dangerous to rele ase the grease by a ny meth od exce pt the If track tension is not relieved by this procedure, co ntact yo ur Komatsu 1. Loosen p lug (4) gradually to release the gr ease. e turn. 2. When loo sening plug (4), turn it a maximu m of on 3. If t he gre ase does not co me out smoothly, move t he machine forwards and backwards a short distance. 4.
Tighten p lug (4). 5. To check that the track te nsion is correct, r un the e ngine a t low idling, mo ve the machine f orward a distanc e equal to the le ngth of track o n ground, then s top the machine . 6. Check th e track tension a gain, and if the te nsion is not correct, adjust it a gain.