Rosco RB48, Assembly, Operation, Service & Parts Manual

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RB48 BROOM
ROSCO - A LeeBoy Company
Maintenance
4.4
MAINTENANCE
B. The oil dipstick is located on the right side
of the broom or the left side of the engine. If the oil
measures below the "L" mark on the dipstick, add
the proper amount of oil specified in the Preventive
Maintenance Chart found at the end of this
section. After adding oil, recheck the level with the
dipstick and make sure it doesn't measure above
the "H" mark.
Never operate the engine with the
oil level below the "L" (Low) mark or
above the "H" (High) mark.
C. Engine crankcase oil and oil filter should be
changed after the first 50 hours of service and
every 250 hours or every 3 months thereafter.
D. Refer to the Preventive Maintenance Chart
and/or engine manufacturer's manual for engine oil
recommendations.
Air Intake System
The heavy-duty engine air cleaner is mounted on
top of the hood. A restriction indicator is mounted
on the outlet side of the air cleaner assembly
housing, near the large inlet tube to the engine
(Figure 4-B).
A. Prior to daily operation, inspect all air
intake system components for damage, cracked
hoses or loose clamps.
B. Inspect the restriction indicator several
times daily during operation (Figure 5-B). If the red
indicator flag on the restriction indicator is visible,
the air cleaner element must be replaced.
Be sure to clean the inside of the
air cleaner body assembly
BEFORE removing the safety
element.
1. Before replacing any new element to the
air filter housing, wipe the inside of the
housing with a damp cloth. Reset the
restriction indicator. Be sure not to
introduce any contaminants into the
engine intake tube.
2. When replacing body assembly or rubber
adaptors, torque the T-clamp bolts to 50
inch pounds (see Section 6, Parts Catalog,
Air Intake Group).
C. DO NOT replace the filter elements until
the maintenance interval has been reached or the
restriction indicator flag is visible.
D. Replace the primary filter elements every
100 service hours. Replace the safety element
during every third replacement of the primary
element. Refer to Section 6, Parts Catalog, or the
Preventive Maintenance Chart in this manual for
the correct part number.
E. The air precleaner should not require
maintenance or service unless visual damage is
noticed.
Never operate the engine without
an air cleaner. Destruction of
internal engine components will
occur within minutes.
Radiator and Coolant
A. Check the engine radiator daily for rocks
and debris. A partially blocked radiator will
significantly reduce the efficiency of the radiator
and could cause overheating and possible
premature failure of the engine or its components.
B. Compressed air can be used to remove
rocks or debris from the radiator.
CAUTION: Wear eye protection
when using compressed air. Flying
debris can cause serious eye injury.