DAF CF65, CF75, CF85 Series . Manual — part 974
©
200423
1-3
General
PIPES/RESERVOIR AND SLAVE CYLINDER
ΧΦ65/75/85 series
7
5
Plastic reservoir
In single-circuit systems, plastic reservoirs are
applied.
The reservoir (1) is equipped with a screw cap (3)
and a dipstick (2).
The supply line is connected to line
connection (7).
The return line is connected to line
connection (8).
The filter element (6) is kept in place with a plastic
clamp (4).
If the resistance in the filter is excessive, e.g.
because of cold oil or a polluted filter, the filter
element (6) is partly pushed off the seat. This
causes part of the steering oil to pass along the
underside of the filter element (6) directly into the
reservoir. This movement of the filter element (6)
is possible, because a spring (5) has been fitted
between the filter element (6) and the plastic
clamp (4).
3
4
5
6
8
7
1
2
B
A
S7 00 088
PIPES/RESERVOIR AND SLAVE CYLINDER
1-4
©
200423
General
5
ΧΦ65/75/85 series
7
Steel reservoir
A steel reservoir is used on the dual-circuit
system and the EMAS controlled trailing axle. In
the dual-circuit system, two interconnected
reservoirs are applied.
The reservoir is equipped with a steel lid (4),
which is closed using a wing nut (2). The lid (4) is
sealed with a rubber ring (5).
The lid (4) is equipped with a dipstick (3).
A rubber bush (6) is fitted between the lid (4) and
the filter element (8), which pushes the filter
element (8) onto the seat of the filter holder (9).
The by-pass valve consists of a clamping disc
(10) placed under the filter element.
The force which the return oil exerts on the
clamping disc (10) pushes the disc (10) off the
seat (11). Part of the steering oil flows directly into
the reservoir, see the arrow in the drawing.
The line connection (15) is sealed by the sealing
ring (14).
The two reservoirs are interconnected by an
overflow line.
S700183
6
5
3
8
15
14
1
10
11
12
9
4
7
13
2
S7 00 050
©
200423
2-1
Inspection and adjustment
PIPES/RESERVOIR AND SLAVE CYLINDER
ΧΦ65/75/85 series
7
5
2. INSPECTION AND ADJUSTMENT
2.1 INSPECTION OF STEERING OIL LEVEL
1.
Check the steering oil level when the engine
is not running.
2.
Clean the dipstick and its immediate
surroundings to prevent any dirt from
entering the reservoir.
3.
Check the fluid level in the reservoir using
the dipstick.
4.
The fluid level should be between the marks
when the steering oil is "cold".
Note:
When the steering oil is at operating
temperature, the level may be above the top
mark on the dipstick.
S7 00 676
PIPES/RESERVOIR AND SLAVE CYLINDER
2-2
©
200423
Inspection and adjustment
5
ΧΦ65/75/85 series
7
2.2 INSPECTION OF LINES
1.
Condition of the lines
-
Check all lines for tightness and wear.
Where supply lines are subject to
negative pressure, it is particularly likely
that porous lines will give rise to
problems (air in the system).
-
If in doubt, always replace the line.
2.
Line connections
-
Check every line connection for leaks.
3.
Line route
-
Lines must not be twisted during
assembly. To facilitate checking this, a
mark may have been provided on the
hose (sometimes in the form of text).
-
Lines should not touch other parts (to
prevent chafing).
-
The course lines follow should not
include any sharp bends; this applies
especially to the flexible suction and
return lines.
-
Lines should not be pinched off by other
components.
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