Royal Enfield Z-Drive 130, Service Manual And Parts List

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13
The ball bearing
(21)
is retained by circlip
(23)
which
should be removed before the bearing
(21)
is
withdrawn.
The new bearings are pressed home hard against their
locating shoulders with the bearings (22 & 21) cold and
the hub (20) hot as before. If the oil seal (24) has been
removed a new one may be fitted at this stage but after
the hub (20) has cooled.
The 'O' rings (29 & 30
)
should be inspected and
renewed if necessary. The washer (32) is located in its
correct position and the nylon strips (31) fitted into their
respective grooves. An application of a suitable water
resistant graphite containing grease should be applied
to the outer diameters.
The swivel hub is replaced within the transom plate,
taking care that the nylon strips remain within their
grooves as this is done.
THE SWIVEL PLATE ASSEMBLY
The
only items on the swivel plate that may require
replacing from time to time are the buffer (46), the two
bushes (45), the rod (47) and nuts (48) left. I n addition
to these there is the swivel plate stop (49) with its
screws (50) which may be moved to the opposite side
of the swivel plate to allow for swivelling for parking in
the opposite direction to that normally used.
NOTE: If this parking procedure is adopted, it is necessary to disconnect
the gear change cable before parking to avoid damage to the cable.
To remove the buffer (46) merely unscrew as if it were
a small bolt. Re-fit a new one, making sure that it is
screwed up tight.
To renew the swivel bushes (45), place the swivel
plate somewhere where the part of the plate that
contains the bush can be adequately supported.
While using a suitable drift the bush is pushed through
with a press or gently tapped through using a
hammer.
The reverse is the procedure for fitting the new
bushes but ensure that they do not protrude either
side of the lugs.
The reverse catch rod (47) is normally positioned in
the middle of the three holes but can be removed and
used in either of the other two, whichever appears to
give the best boat performance.
The removal of this bar can be done at any time and
does not necessitate the dismantling of the
"Z-DRIVE". I f one of the nuts (48) is undone, the bar
can be slid out sideways and re-fitted into whichever
of the holes is thought to be the best position.
To re-fit the swivel plate assembly to the transom
plate, the plate has to be slid over the spigot on the
swivel hub and at the same time the lug at the bottom
of the swivel plate engaged within the hook of the
transom plate. The swivel hub is then rotated to align
the holes within its flange with those on the swivel
plate. The nuts (51) or countersunk screws (54) are
re-fitted.
RE-FITTING THE WORMDRIVE HOUSING
The seven socket head screws (40) are fitted through
the worm drive housing
(33)
and into the forward face
of the transom plate (1). This is done with the cone
pointing vertically upwards. The wormwheel is then
attached to the swivel hub by six socket head screws
(42). The constant velocity joint is tapped, from the
rear, through the ball bearing (22) until fully home.
The input shaft (55) is fitted from the front of the
transom, engaging with the splines of the constant
velocity joint (56) and care should be taken when it is
passing through the oil seal (24).
If the roller bearing (21) has been replaced within the
swivel hub, the inner race previously fitted must be
removed and the inner race to the new bearing fitted.
Races and bearings are not interchangeable.
The input shaft is tapped along the shaft of the
constant velocity joint until itself is hard against the
bearing.
The washer (58) and nut (57) are then fitted on to the
exposed thread of the constant velocity joint, the nut is
tightened to 140 lb. ft. torque. The flexible coupling (59)
screws (60) tabwashers (61) may now be re-fitted to
the input shaft.
2.TRANSOM PLATE ASSEMBLY 130H 130 NON SWIVEL
Disassembly of the Transom Plate
Dismantle the input coupling (59) from the input shaft
(55) by removing the set-screws (60), plain washers
(62) and tab washers (61, 68).
Remove the input shaft nut (57) and washer (58) from
the internal bore of the input shaft. Using a soft drift,
carefully drive out the constant velocity joint (56) from
the input shaft. Using a suitable press, remove the
input shaft from its bearings (21). After removal of the
circlip
(23)
press out the bearings
(21)
and
(22)
and
seal
(24)
from the transom plate.