Honda RM752A User Manual download pdf (Page 23)

DEALER MAINTENANCE

Be familiar with all safety practices on pages

and

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

moving

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 to ground before performing any

service or maintenance.

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

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

bolts

and insetting them

into the threaded holes in bushing flange. Tighten

bolts

alternately

remove split taper bushing.

Remove key and pulley.

Remove four

bolts

attaching spindle

mower frame

and remove spindle.

F-7756

0-89)

Spindle Repair Tips

a reference point, the grease fitting is in the top

portion of spindle housing.

To minimize wear, bearing cups, cones and sleeves

are press fit to shaft and will require a press

similar device for removal.

When disassembling, support housing casting

prevent damage.

Remove bearing cups by placing a punch in housing

slots

and driving cup out. Alternate punch positions

from side

side. Use care

prevent housing

damage.

Permatex

Aviation Form

Gasket@

equiva

lent is recommended as a sealant for spindle repair.

Blade Spindle Disassembly

(figure

16)

Top and bottom washers

(3)

and sleeve

(2)

are tack

welded to shaft. You must grind

break weld

off

before pressing shaft and crossbar

(9)

out

housing.

Support spindle in a press and push shaft and

crossbar

(9)

down

through housing

(6).

Remove seals from housings.

Remove bearing cups from housing as described in

Tips section above.

Blade Spindle Assembly

(figure

16)

Bearing cups and cones are designed to work

together.

is important

position them

bearing

cone taper mates with bearing

cup

taper.

Lubricate new cups

(7)

with a light oil. Place them in

spindle housing

(6)

they will mate with cones

(5).

Seat cups

(7)

against machined shoulder of housing

with a press

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

Gasket is

registered

trademark

the

Permatex

Corporation.

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Honda RM752A User Manual Page 23

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