Dealer Maintenance - Honda RM752A Operator's Manual

Be familiar with all safety practices on pages
5.
Make certain ail movement of cutter compo-
nents has stopped before opening blade
access cover.
Always wear relatively tlght and belted
clothing to avoid entanglement
parts. Wear sturdy, rough-soled work shoes
and protectlve equlpment for eyes, hands,
hearing and head.
Operate PTO at. 2,000 rpm maximum.
Turn tractor engine off, remove key, lower
mower t o ground before performing any
Block mower securely before working under-
neath.
Keep ail persons away from operator control
area whlle performing adjustments, service
or maintenance.
Make sure tractor PTO spring-activated
locking collar slides freely and is seated
firmly in mower driveline spline groove.
SPINDLE REPAIR
Blade Spindle Removal
Remove blade from spindle.
Remove belt from pulleys.
Remove split taper bushing (located on top of
pulley) by removing the two
into the threaded holes in bushing flange. Tighten
bolts alternately to remove split taper bushing.
Remove key and pulley.
Remove four bolts attaching spindle
and remove spindle.
(1 0-89)

DEALER MAINTENANCE

and
4
In
moving
bolts and insetting them
mower frame
to
Spindle Repair Tips
a reference point, the grease fitting is in the top
As
portion of spindle housing.
To minimize wear, bearing cups, cones and sleeves
are press fit to shaft and will require a press or
similar device for removal.
When disassembling, support housing casting to
prevent damage.
Remove bearing cups by placing a punch in housing
slots and driving cup out. Alternate punch positions
from side to side. Use care to prevent housing
damage.
Aviation Form-A-Gasket@ or equiva-
Permatex
lent is recommended as a sealant for spindle repair.
Blade Spindle Disassembly
Top and bottom washers (3) and sleeve
welded to shaft. You must grind or break weld off
before pressing shaft and crossbar
housing.
Support spindle in a press and push shaft and
crossbar (9) down through housing
Remove seals from housings.
Remove bearing cups from housing as described in
Tips section above.
Blade Spindle Assembly
Bearing cups and cones are designed to work
together. it is important to position them so bearing
cone taper mates with bearing cup taper.
Lubricate new cups (7) with a light oil. Place them in
so
spindle housing (6)
Seat cups (7) against machined shoulder of housing
with a press or by placing a large soft drift on the
flat lip and driving them into housing.
Place bottom bearing cone (5) into housing against
bearing cup (7).
Pennatex Aviation Form-A-Gasket is a registered
of the Permatex Corporation.
21
(figure 16)
are tack
(2)
out of
(9)
(6).
(figure 16)
they will mate with cones (5).
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