. MAINTENANCE MAINTENANCE PROCEDURE Loosening Track Tension WARNING CHECK ELECTRICAL INTAKE AIR HEATER 4 - 29 It is extremely dan gerous to rel ease the grease b y any meth od except the procedure gi If track tension is not relieved b y this pr ocedure, contact yo ur Komatsu distributor for r 1. Loosen plug (1) gradual ly to rel ease th 2. When loose ning plug (1) , turn it a maximum of on e turn. 3. If t he grease does not c ome ou t smoot hly, move the machine forwards an 4. 5. Tighten plug To check if move the m achine slowl y forwa rd (by a n amount equal to the length of tra ck on groun d), then stop th e machine 6.
Check the tr ack tension again, a nd if the tension is not correct, adjust it aga Before the start of the cold s eason (once a year), con tact your Komatsu distrib utor to have the electrical inta ke air heater checked for dirt or di