Section 110-0050 Engine - Air Cleaner SM - 1701 14 15 7 17 22 19 17 16 18 4 22 4 6 13 10 9 3 8 20 5 1 12 10 10 2 3 5 21 10 11 10 1 - Bolt 2 - Hardened Washer 3 - Hardened Washer 4 - Bolt 5 - Locknut 6 - Mounting Band 17 - Adaptor 18 - Nylon Tube 19 - Nipple 20 - Tube 21 - Hump Hose 22 - Elbow 7 - Cap Assembly 8 - Hump Hose 9 - Clamp 10 - Clamp 11 - Elbow 12 - Tube Assembly 13 - Bracket Assembly 14 - Air Restriction Gauge 15 - Protective Cap 16 - Tee Fig. 3 - Exploded View of Air Cleaner Mounting 'Measuring Air Restriction'. over service. When restriction readings finally indicate a change, remove primary element (2) carefully and clean/replace as required. Refer to 'Primary Element'.
Safety element (3) is installed in each air cleaner assembly inside of primary element (2). This element increases the reliability of the air cleaner’s protection of the engine from airborne dirt. It protects the engine from dirt admitted by a damaged primary element (2), or dirt that might be dropped into the air cleaner assembly while servicing primary element (2). Never attempt to clean safety element (3). Change safety element (3) after every third primary element (2) service. Make sure vacuator valve (6) is not damaged or plugged and that the joint with cover assembly (4) is not broken.
If vacuator valve (6) is lost or damaged, replace it to maintain pre-cleaner efficiency and normal filter element service life. MAINTENANCE Numbers in parentheses refer to Fig. 1, unless otherwise specified. Check condition of clamps (9 & 10, Fig. 3), hump hoses (8 & 21, Fig. 3), elbow (11, Fig. 3), tube assembly (12, Fig. 3) and tube (20, Fig. 3). Tighten/ replace as necessary. WARNING Always shutdown the engine before servicing air cleaner. The air cleaner elements should be serviced only when the maximum allowable restriction has been reached, as indicated by air cleaner restriction indicator light.
The elements should not be serviced on the basis of visual observation as this would lead to Air Cleaner Assembly Numbers in parentheses refer to Fig. 1, unless otherwise specified. Note: Air cleaner body (1) should be thoroughly 2 SM 1572 12-98