Snapper SPLHI53KW Mower Spindles Field Serviceable Spindles, Bearing Replacement

SECTION 5 - MOWER ATTACHMENT

5.3MOWER SPINDLES (Field Serviceable Spindles)

BEARING REPLACEMENT

In the event that a spindle bearing requires replacement, the SNAPPER Field Serviceable Spindles have been designed so that no special tools or presses are required.

1.Remove belt. Loosen blade nut and remove. Allow blade bolt, washer, blade and four spacers to

drop down out of the spindle housing. See Figure 5.7.

REMOVE NUT

w • REMOVE BELT

FROM SPINDLE

J

r !_ ;_M_VE BLADE

FIGURE 5.7

2.Remove spindle pulley from spindle shaft.

3.Locate circular retaining ring on spindle shaft at top bearing. Remove retaining ring. Allow spindle shaft to drop out of housing.

4.Top and bottom bearings are now removable. Pull out on inner race to slide bearing from housing. See Figure 5.8.

5.Thoroughly clean all parts removing all old contaminated grease.

6.Install new bottom bearing first.

7.NOTE: The bearing is sealed/shielded on one

side only. The bottom bearing must be installed with the sealed/shielded side DOWN.

8.Insert spindle shaft up through the bottom bearing. Slide spacer down over spindle shaft.

9.Install new top bearing. Install the top bearing with the seal/shield UP.

10.Slide circular retaining ring down spindle shaft until it fully locks into groove on shaft.

11.Apply a generous amount of general-purpose grease to the concave side of the nyIos seal. Install the nylos seal with concave greased side down.

12.Place spindle pulley and spacer on top of spindle shaft.

13.Reinstall blade bolt, washer, blade and four spacers. See Figure 5.6.

14.Torque blade bolt and nut to 70 to 80 ft. Ibs.

15.Pump grease into spindle housing until grease purges from vent on housing.

16.After the first 5 hours of operation, grease

spindle housing to insure it is full, then every 25 hours.

SERVICE

IMPORTANT: Spindle housing must be filled with grease before operating mower. Failure to fill housing will cause premature bearing failure.

	O--------	PULLEY
	_1	SPACER
	i_	NYLOS SEAL
	O O"	RETAINING RING
SEAL UP	I
IBEARING		BEARING
	OO"
		HOUSING
	_	SPINDLE
	_	SPACER
I DOWNEARING	SEAL	BEARING
	_t-
		SHAFT
		SPINDLE

FIGURE 5.8

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