SK375-AT3
Pneumatic system
Truck
SPIERINGS MOBILE CRANES USER MANUAL V 0.0
9-3
Nov
2
0
1
4
C
h
a
n
g
e
s
a
n
d
t
y
p
o
g
ra
p
h
ic
a
l
e
rr
o
rs
r
e
s
e
rv
e
d
.
©
2
0
1
4
S
p
ie
ri
n
g
s
M
o
b
ile
Cr
a
n
e
s
–
A
ll r
ig
h
ts
r
e
s
e
rv
e
d
.
9.3.
Air dryer
To extend the service life of the components and to ensure proper functioning, the pneumatic system
is provided with an air dryer.
The air dryer is situated in the right-hand engine cowling behind the control cabinet of the truck
9.3.1.
Replacing filter air dryer
1. Erect the crane till the tower is vertically positioned and secured;
2. Turn off the engine of the truck;
3. Depressurize the pneumatic system:
-
Release the pressure by using a hose connected to
nipple A
above the right-hand
4. Remove the central cover plate of the engine cowling:
-
The filter element is located at
5. Unscrew the filter element (see
) of the air dryer using a strap wrench;
6. Lightly grease the sealing of the new filter element;
7. Mount the new filter element on the filter holder and tighten it by hand;
8. Turn on the ignition and check for leakage;
9. Mount the cover of the engine cowling.
CHECK / TEST!
Replace the air dryer filter every two years at normal operating conditions.
Picture 9-2
Picture 9-3