ENGINE - Air Cleaner Section 110-0050 SM - 1532 1 4 2 5 1 - Air Cleaner Body 2 - Primary Element 3 - Safety Element 4 - Cover Assembly 5 - Latch 6 - Vacuator Valve Fig. 1 - Exploded View of Air Cleaner 3 6 DESCRIPTION Numbers in parentheses refer to Fig. 1, unless otherwise specified. SM - 1964 There are two, dual dry element type air cleaner assemblies mounted on the platform to the right hand side of the cab. Air cleaner assemblies prolong engine life by removing grit, dust and water from the air as it enters the engine. Grit and dust combined with engine oil, forms a highly abrasive compound which can destroy the engine in a comparatively short period of time.
STOP A rubber vacuator valve (6) attached to cover assembly (4) in a downward position, ejects grit, dust and water while the engine is running. Vacuator valve (6) minimizes the need for daily servicing. Even though vacuator valve (6) is normally under a slight vacuum when the engine is running, pulsing of the vacuum opens and closes vacuator valve (6) expelling grit, dust and water as they collect. When the engine is stopped, vacuator valve (6) opens and expels any accumulated grit, dust or water. Fig. 2 - Air Cleaner Restriction Indicator Light the circuit closes and a restriction indicator light in the dash panel (Fig. 2) illuminates.
This light shows at a glance when the system air flow is being restricted indicating that primary element (2) should be serviced. Air restriction gauge (14, Fig. 3) automatically resets after each air cleaner assembly is serviced. An electrical air restriction gauge (14, Fig. 3) indicates when air restriction levels reach the maximum allowable limit. When air restriction levels are reached, While the indicator light indicates the need for servicing, it does not give as precise a measurement as a water manometer or vacuum gauge. Refer to 1 SM 1572 12-98