Replacing The Hydraulic Motor - Husqvarna PT26D Workshop Manual

Dismantling and reassembly
1. Remove the double solenoid valve if it is
fitted. If not, remove its cover plate. Four
O-rings are released.
2. Remove the electric part from the sole-
noid valves by removing the plastic nut,
after which the electric part can be lifted
off from the cartridge valve.
3. Remove the cartridge valves from the
valve block. Do not take apart the car-
tridge valves, faulty valve is replaced
completely.
4. Remove the restrictor from port C.
5. Remove the plugs from ports A and B.
Plugged drill conduits must not be opened
6. Clean the block and blow all channels
with clean pressurised air. In particular,
blow clean the restrictor under
connection B.
7. Blow clean the restrictor, to be fitted in
port C.
8. Assemble in reverse order. The cartridge
valves are fitted in order.
long – medium – short, when the block is
turned with the restrictor facing you.
Secure the four O-rings with grease so
that they are nor squeezed.

Replacing the hydraulic motor

Remark: The motors differ see the rating
plate; the right motor is marked CV and left
CCV.
1. Remove the wheel.
2. Clean according to the general
instructions.
3. Drain the hydraulic tank if sealing plugs
for the hydraulic lines are not available.
4. Release the parking brake cable from
the front hydraulic motor.
5. Connections can be interchanged. Mark
the hydraulic hoses so that they are
reassembled on the correct connections.
6. Place a container under the hydraulic
motor.
7. Release the hydraulic lines from the
motor. Fit the sealing plug to prevent
leakage.
8. Remove the fastening bolts. 10 mm allen
key on the inside.
9. Remove the hydraulic motor.
118
English-
REPAIR INSTRUCTIONS
Valve block working hydraulics
Hydraulic motor
8043-191
8043-115