Tecumseh Products OVRM120 Operator Manual - Page 21

II. Servicing Paper Filters Paper filters cannot be cleaned and must be replaced once a year or every 100 operating hours; more often if used in extremely dusty conditions. Replacement filters are available at an Authorized Tecumseh Servicing Dealer. Follow the instructions next to the drawing of your air cleaner to remove and replace it. NOTE DO NOT put oil on or clean a paper filter. III. Removal and Installation-Type "A" Air Cleaner 1. Remove cover by pulling tab "A" away from body while lifting cover upward. See Figure 47. 2. Inspect filter(s) for discoloration or dirt accumulation. If either is present, see "I. Servicing Foam Filters" instructions on page 18 and see "II. Servicing Paper Filters" instructions above. Afterward, continue reading instructions below. 3. Clean inside of cover and body thoroughly. 4. Install foam filter(s) and new paper filter(s) in body where applicable. 5. Install cover by hooking slot of cover over tab "B" on body. 6. Push cover down, snapping cover onto body securely. IV. Removal and Installation-Type "B" Air Cleaner 1. Turn cover to right (clockwise) to remove. See Figure 48. 2. Remove paper filter from flange. See "II. Servicing Paper Filters" instructions above. Afterward, continue reading instructions below. 3. Discard paper filter. 4. Clean cover and flange thoroughly. 5. Insert new paper filter into cover. 6. Line up tabs on cover with slots on flange. 7. Push cover firmly against flange and turn to left (counterclockwise) until cover locks securely in place. 8. Secure cover and be sure it is in vertical position. 4 3 2 1 5 6 7 8 1. Tab "B" 2. Foam Filter 3. Slot 4. Optional Paper Filter 5. Cover 6. Tab "A" 7. Foam Filter 8. Body Figure 47. Air Cleaner Type "A" Assembly 2 4 3 1 5 1. Paper Filter 2. Slots 3. Flange 4. Tabs 5. Cover Figure 48. Air Cleaner Type "B" Assembly 181-1216-14 Four-Cycle Engine • Vertical Crankshaft • Air-Cooled Page 19