Komatsu — 4.7.11.e CHECKING AND ADJUSTING THE ENGINE VALVE CLEARANCE

MAINTENANCE PLAN 4.7.11.e CHECKING AND ADJUSTING THE ENGINE VALVE CLEARANCE Since the check and adjustment of the engine valve clearance requires the use of special tools, have these oper- ations carried out by your Komatsu Utility Dealer. 200 4.7.11.d CHANGING THE HYDRAULIC TRANSMIS- SION FILTER DANGER • Soon after the machine has been stopped the transmis- sion unit is very hot and may cause burns; let the machine  cool down before changing the filter. • The oil that may be spilled during the replacement of the filter may cause the floor to become slippery: use antislip shoes and immediately remove any trace of oil from the  floor and the transmission unit.

• Oils, filters, the coolant and the battery are considered special waste and must be collected and disposed of ac- cording to the anti-pollution regulations in force.   DANGER • Soon after the machine has been stopped the transmis- sion unit is very hot and may cause burns; let the machine cool down before changing the filter. • The oil that may be spilled during the replacement of the filter may cause the floor to become slippery: use antislip shoes and immediately remove any trace of oil from the floor and the transmission unit.

• Oils, filters, the coolant and the battery are considered special waste and must be collected and disposed of ac- cording to the anti-pollution regulations in force. This operation must be carried out at every change of the trans- mission oil. Proceed as follows: 1 - Raise the front mat and remove the cover (1). Use a 13 mm spanner. 2 - Unscrew and remove the old filter (2) by means of the special spanner provided. 3 - Clean the contact surface between the gasket and the filter support (3). 4 - Lubricate the gasket, fit it in its seat and screw the filter thor- oughly until it touches the gasket. 5 - Give another half turn by hand.

6 - Start the engine, let it idle and let the oil warm up until reach- ing the operating temperature. 7 - Top up until reaching the MAX. mark on the dipstick (4). (See “4.7.8.f CHECKING THE HYDRAULIC TRANSMISSION OIL LEVEL”). Always top up with suitable oil. (See “4.3 FUEL, COOLANT AND LUBRICANTS”). 8 - Put back the cover (1).     MAX. MIN.