DEALER MAINTENANCE
Be familiar with all safety practices on pages 4 and
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 In moving parts. Wear sturdy,
a Operate PTO at.2,000 rpm maximum.
Turn tractor engine off, remove key, lower mower t o 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
SPINDLE REPAIR
Blade Spindle Removal
Remove blade from spindle.
Remove belt from pulleys.
Remove split taper bushing (located on top of pulley) by removingthe two bolts and insetting them into the threaded holes in bushing flange. Tighten bolts alternately to remove split taper bushing.
Remove key and pulley.
Remove four bolts attaching spindle to mower frame and remove spindle.
Spindle Repair Tips
As 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 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.
Permatex 30 Aviation
Blade Spindle Disassembly (figure 16)
Top and bottom washers (3)and sleeve (2) are tack welded to shaft. You must grind or break weld off before pressing shaft and crossbar (9) out of 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. 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 spindle housing (6)so they will mate with cones (5). 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 3D Aviation
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