5 - 11
Changing the Nephron Filter
!!
WARNING
The temperature of the hydraulic oil will be high soon
after stopping the engine. Wait until it cools down (less
than 40°C) before beginning maintenance.
8-3-4-10
1. Prepare the Machine
Position the machine on level ground. Stop the engine.
Remove the starter key.
2. Release Tank Pressure
See Releasing Tank Pressure.
3. Remove the Nephron Filter A
a. Close the two stop cocks B of the nephron filter
case C.
b. Remove the retaining bolts D, washers E and lift the
cover F, together with the 'O'-ring G and spring H.
c. Slowly lift the Nephron filter A and remove.
Note: Be careful not to drop any dirt from the nephron
filter A.
4. Replace the Nephron filter A
a . Peel off the 4 foil seals of the new nephron filter (one
on the upper and lower side, and the other two on the
sides).
Note: If the foil is not removed, the filter will not function
properly.
b. Slowly sink the new nephron filter A into its case.
c. Install the spring H, 'O'-ring G and cover F, secure
with bolts D and washers E.
d. Open the two stop cocks B on the nephron filter
case C.
5. Air Bleeding
a. Start the engine and set at low idling, loosen the
plug I, tighten the plug when hydraulic oil flows out.
b. Stop engine and Check the hydraulic oil level.
See Checking the Fluid Level.
Section 3
Routine Maintenance
9803/6400
Section 3
5 - 11
Issue 1
Hydraulics (continued)
D
G
H
F
A
B
E
C
I
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