MAINTENANCE 24.7.2 REPLACE TRANSMISSION OIL FILTER ELEMENT 1. Remove the drain plug (1) at the bottom of the filter case, and drain the oil. After draining the oil, tighten the plug to: 107.9 +/- 14.7 N•m (79.6 +/- 10.8 lbf ft.) 2. Hold the case (2) and loosen the center bolt (3). Remove the case (2). Be sure to use a new genuine Komatsu filter element. Replace the filter gasket and O-rings with new parts. Coat the gasket and O-rings with clean engine oil before installing. 3. Remove the element, and clean the inside of the case. Assemble a new element, then install the case.
Before tightening the center bolt (3), install the bolt washer (4) so that the chamfered surfaces face the hexagonal head of the center bolt. Torque the center bolt (3) to: 76.5 +/- 11.8 N•m (56.4 +/- 8.7 lbf ft.). 4. Add the specified transmission oil. For details, see 24.2.2 CHECK TRANSMISSION OIL LEVEL, ADD OIL on page 3-31. 5. Run the engine for a short period of time at idle. Turn the engine off and check that the oil is at the specified level. WA450-3MC 3-48