PREVENTATIVE MAINTENANCE
FAN (Every 25,000 miles)
A.
Check for bent, cracked or missing blades, loose rivets and loose or
missing weights. Replace defective fans.
B.
Tighten fan blade mounting nuts to vehicle manufacturer's specifications.
C.
Check for adequate clearance between fan and fan shroud.
FAN BELTS (Every 25,000 miles)
A.
Check belt condition; replace if worn or frayed.
B.
Check for proper belt tension.
C.
Check for proper belt alignment.
CLUTCH AND CONTROLS (Every 25,000 miles).
A.
Inspect all electrical connections and wires. Tighten if
loose; replace if damaged.
B.
Verify Fan Clutch engagement (See Electrical Connections
Checkout, page 6 or page 9).
C.
Check all air connections for air leaks.
D.
Check Friction Facing on Fan Clutch for wear; replace when
worn to 1/16" [1.6 mm] thick.
E.
Check for air leaks in Fan Clutch.
SOLENOID VALVE/AIR FILTER (Weekly)
A.
Drain Filter Bowl Weekly by turning Drain Valve clockwise(See Fig. 11).
B.
Clean Filter every 25,000 miles.
1.
Unscrew Filter Bowl (See Fig. 11)
2.
Unscrew Filter Element.
3.
Using fresh parts cleaning solvent, clean both Bowl
and Filter Element, then dry parts thoroughly.
4.
Check for damaged parts. If parts are damaged,
replace with Filter Assembly RF994002.
5.
Reassemble Filter and check for air leaks.
FIGURE 11
O-RING
FILTER
ELEMENT
BOWL
DRAIN
VALVE
10