TYM T264, Workshop Manual

Page: 155 / 215

STEP 3.
-Special. Screws (22, 23)
Remove the screws with a 16 mm a/flats
(5/8”) spanner.
-End cover (19)
Remove end cover sideways.
STEP 4.
-Gear wheel set (17, 18)
Hold a hand under the gearwheel set to keep
the gearwheel from falling out.
Remove O-rings.
STEP 5.
-Distributor plate (16)
Remove distributor plate.
-Cardan shaft (13)
Remove cardan shaft.
STEP 6.
-O-ring (15)
Remove O-ring from housing.
-Balls and ball stop (3, 4, 37)
Shake out check valve ball (not in all units),
ball stop and emergency steering ball. Use
pincers if necessary.
STEP 7.
Place the OSPM in the tool again. Lift up
steering unit and fixture in one piece and turn it
90
°
to horizontal.
-Housing/spool/sleeve (2)
Turn the spool set so that the pin in spool
and sleeve is horizontal and push it out
STEP 8.
-Bearing (7)
Remove bearing from shaft end.
The outer washer may sometimes adhere to the
housing. If the washer does not come out with
the shaft, it will come out when shaft seal item
5 is being pressed out.
-Ring(10)
Remove retaining ring for the neutral position
springs.
STEP 9.
-Cross pin(11)
Press the pin out of the spool set.
Carefully press the spool out of the sleeve.
-Springs (12)
Press the neutral position springs out of the
spool.
-Dust seal (1)
Remove the dust seal ring (with a “sharp”
screwdriver).
-Shaft seal (5)
Remove the shaft seal
(with a “sharp” screwdriver if necessary).
4. Cleaning, inspection,replacement
and lubrication
Note:
a.Clean all parts carefully.
b.Carefully check all parts and replace
imperfect parts, if any.
c.Always replace all sealing parts during a
repair.
d.Before assembly, lubricate all parts with
hydraulic oil and grease rubber parts with
vaseline.
5.REASSEMBLY
STEP 1.
-Housing (2)
Place the OSPM housing horizontally in the
holding tool, with the hole for the output shaft
facing the tool.
Note: the locating pin in the tool must engage
with in the OSPM housing.
8-8