Freightliner Business Class. Manual — part 32
should turn clockwise. If it does not, re-
place the slack adjuster.
NOTE: The adjusting hexnut will turn in
small steps. You will not be able to see it
turn very well without a wrench on it.
5.3
Check the counterclockwise torque of the
adjusting hexnut. The torque should be
greater than 15 lbf·ft (20 N·m). If it is not,
replace the slack adjuster.
42–26 Automatic Slack
Adjuster Lubricating,
Haldex
Lubricate a Haldex automatic slack adjuster at the
grease fitting with any extreme-pressure NLGI Grade
1 or Grade 2 grease if the operating temperature is
–20°F (–29°C) and above. If the operating tempera-
ture is below –20°F (–29°C), use a low-temperature
extreme-pressure grease.
Brakes
42
Business Class Trucks Maintenance Manual, October 1998
42/14
Title of Maintenance Operation (MOP)
MOP Number
Drag Link Lubricating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46–02
Miter Gear Lubricating (Right-Hand Drive Only). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46–06
Power Steering Reservoir Fluid Level Checking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46–03
Power Steering Reservoir Fluid and Filter Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46–04
Steering Driveline Lubricating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46–01
Steering Gear Lubricating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46–05
Steering
46
Index, Alphabetical
Business Class Trucks Maintenance Manual, November 2002
46–01 Steering Driveline
Lubricating
Wipe the grease fittings clean. See
. Using a
pressure gun, apply a lithium-based grease (NLGI
grade 2) sparingly to the universal joints and slip-joint
splines.
46–02 Drag Link Lubricating
1.
Using a clean rag, wipe the dirt from both grease
fittings on the drag link. See
2.
Using a pressure gun, apply multipurpose chas-
sis grease at the grease fittings until old grease
is forced out of the socket.
NOTE: Use multipurpose chassis grease NLGI
grade 1 (6% 12-hydroxy lithium stearate grease)
or NLGI grade 2 (8% 12-hydroxy lithium stear-
ate grease). Grade 2 chassis grease is pre-
ferred.
1
2
3
4
5
1
6
6
10/05/94
f460516a
7
7
1.
Pinch Bolt
2.
Universal Joint Shaft
3.
Bushing
4.
Boot
5.
Boot Retainer
6.
Prevailing Torque Locknut
7.
Grease Fitting
Fig. 1, Steering Driveline
Steering
46
Business Class Trucks Maintenance Manual, November 2002
46/1
46–03 Power Steering
Reservoir Fluid Level
Checking
1.
Clean around the power steering reservoir dip-
stick (fill cap) with a clean rag, then remove the
dipstick. See
WARNING
Fill only with approved clean fluid. Do not mix
fluid types. Any mixture or any unapproved fluid
could lead to seal deterioration and leaks. Fluid
leakage could cause loss of power steering assist.
Failure to keep the power steering reservoir full
could result in damage to the power steering
pump, and improper operation of the power steer-
ing system.
2.
With the power steering fluid at operating tem-
perature, check the fluid level on the dipstick. If
below the ADD mark, add enough fluid to bring
the level up to the full mark on the dipstick. See
for approved power steering fluid.
Approved Power Steering Fluids
Fluid Type
Approved Fluid
Automatic Transmission
Fluid Type
*
Dexron
®
II
Dexron
®
III
Heavy-Duty Engine Oil
*
IMPORTANT: Do not use
heavy-duty engine oil in
vehicles built from
November 4, 2002.
Union
Texaco
Chevron
Mobil Super
Union
Shell Rotella
10W–40
10W–40
10W–40
10W–40
15W–40
T30W
*
Do not mix engine oil with automatic transmission fluid (ATF). Use the
same lubricant for parts as is used in the power steering system.
Table 1, Approved Power Steering Fluids
3.
Install the dipstick (fill cap) in the power steering
reservoir.
46–04 Power Steering
Reservoir Fluid and
Filter Changing
1.
Remove the dipstick, 3/8–16 hexnut, and cover.
See
2.
Drain the power steering reservoir by disconnect-
ing the power steering gear-to-reservoir hose
from the reservoir. Keep the hose in an upright
position to prevent drainage of fluid.
f460926
10/05/94
1
2
1.
Grease Fitting
2.
Drag Link (pitman arm end shown)
Fig. 2, Steering Drag Link Lubricating
f460514a
10/05/94
1
2
1.
Power Steering Fluid Reservoir
2.
Steering Gear
Fig. 3, Power Steering Reservoir
Steering
46
Business Class Trucks Maintenance Manual, November 2002
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