freightliner COLUMBIA CL112 Maintenance Manual page 106

46
properly bled when the steering pump does not
labor when turning the wheel.
12. Check for leaks in the power steering system
and repair as needed. Top off the power steering
fluid level as needed.
Approved Power Steering Fluids
Fluid Type *
Automatic Transmission
Fluid
Heavy-Duty Engine Oil
IMPORTANT: Do not use
heavy-duty engine oil on
vehicles built from
November 4, 2002.
*
Do not mix oil types. Refer to the text in this group for a detailed warning
statement.
Table 1, Approved Power Steering Fluids
46–03 Power Steering Fluid
Level Inspection
1. Apply the parking brakes and chock the tires.
2. With the engine cool, use a shop towel or a
clean rag to clean the area around the power
steering reservoir fill cap. Twist the cap counter-
clockwise to remove it. Check the cold power
steering fluid level. The level should be between
ADD COLD and FULL COLD with the engine off.
3. Start the engine and run it at idle until it reaches
operating temperature. See
mended power steering fluids.
Remove the dipstick, and check that power
steering fluid is between ADD HOT and FULL
HOT. If the fluid level is low, add enough fluid to
bring the level up to the FULL HOT mark on the
dipstick.
Remove the chocks.
46/2
Approved Fluid *
Dexron ® II
Dexron ® III
Shell Rotella T 30W
Shell Rotella T SAE 30
Chevron 10W-40
Chevron Custom 10W-40
Mobil Super 10W-40
Texaco 10W-40
Union 10W-40
Union 15W-40
Unocal Guardol 15W-40
Table 1 for recom-
46–04 Power Steering Gear
Lubrication
Sheppard
Sheppard power steering gears manufactured with-
out grease fittings are maintenance-free. If the power
steering gear has no grease fitting, then it requires
no periodic lubrication.
Sheppard power steering gears with grease fittings
must be lubricated periodically.
1. Wipe off debris from the bearing cap grease fit-
ting. See Fig. 1.
05/28/93
1. Bearing Cap Grease Fitting
Fig. 1, Sheppard Bearing Cap Lubrication
2. Using a hand-type grease gun, apply multipur-
pose chassis grease until grease starts coming
out of the bearing cap dirt-and-water seal.
TRW TAS Series
CAUTION
Apply grease to the sector shaft only with a hand-
type grease gun. See Fig.
pressure power grease gun will supply grease too
quickly and could affect the high pressure seal,
contaminating the hydraulic fluid.
Using a hand-type grease gun, apply NLGI Grade 2
or 3 multipurpose chassis grease until it starts to
come out past the sector shaft seal.
Columbia Maintenance Manual, February 2010
Steering
1
2. Use of a high-
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