Titan PowrBeast 4700 Mode D'emploi page 27

POWRBEAST
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4
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10. Using an L-shaped hex wrench, unthread the plug
assembly (Fig. 26, item 8) from the inside of the hydraulic
motor cylinder.
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11. Carefully remove the wear ring (Fig. 27, item 9), O-ring (10),
and cup seal with O-ring (11) from the plug.
Remove these parts very carefully. Do not scratch
any metal surface of the plug assembly
Attention
12. Soak the new parts from the kit in hydraulic oil and reinstall
back onto the plug. Be sure the O-ring on the top side of
the cup seal (11) is visible from the top of the plug after it
is installed.
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REASSEMBLING THE HYDRAULIC MOTOR
1. Coat the threads of the plug assembly (8) with anti-seize.
Replace the plug assembly (8) into the interior of the
hydraulic motor cylinder. Torque to 450-500 in.lbs (50,8-
56,5 Nm).
Inspect the bottom of the hydraulic piston for
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any sharp areas that could damage the piston
seal (11) during reinstallation.
2. Replace the hydraulic piston (4) back into the top of the
hydraulic motor cylinder. Using a rubber mallet, carefully
tap the piston down into the cylinder until the flats are
visible in the access area above the piston coupler (5).
3. Remove the 1/4 - 20 screw from the top of the piston
assembly.
4. Apply removable thread locker (Blue) to the threads of the
hydraulic piston (4). Using a screwdriver in the open hole
of the piston coupler (5) and a wrench on the flats of the
hydraulic piston (4), reattach the two parts and tighten.
Torque to 360-420 in.lbs (40,7-47,4 Nm).
5. Slide the retaining ring on the coupler back in place.
6. Lubricate the O-ring and cylinder plug threads with
hydraulic oil. Replace the cylinder head plug (2). Torque
to 110-120 ft. lbs (149-162,7 Nm).
7. Replace the PCB board assembly (1).
Once this repair is complete, start the engine or
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turn on the electric motor. Allow the unit to run
for a few minutes and then shut it down.
Immediately check the hydraulic oil level and
refill if needed.
MAINTENANCE
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