Simplicity ZT4000 Series - Manual (Page 30)

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Lubrication
Lubricate the unit at the locations shown in Figures 21
through 25 as well as the following lubrication points.
Grease:
• front caster wheel axles & yokes
• deck lift pivot blocks
• mower deck spindles
• mower deck idler arm
Use grease fittings when present. Disassemble parts to
apply grease to moving parts when grease fittings are not
installed.
Not all greases are compatible. Use automotive-type lithium
grease.
Oil:
• control handle pivots
• seat plate pivots
• deck lift pivots
• discharge chute hinge
Generally, all moving metal parts should be oiled where
contact is made with other parts. Keep oil and grease off
belts and pulleys. Remember to wipe fittings and surfaces
clean both before and after lubrication.
Lubricating the Front Casters:
Front casters should be lubricated annually.
1. Remove the 1/4-28 bolt (A, Figure 24) screwed into the
front caster and install a 1/4-28 grease fitting.
2. Grease the front caster.
3. Remove the 1/4-28 grease fitting and reinstall the 1/4-28
bolt.
4. Repeat process for the other side of the machine.
Figure 23. Deck Lift Linkage Pivots
Figure 22. Control Handle Pivots & Seat Plate Pivots
Figure 21. Deck Lubrication
Figure 24. Front Caster & Wheel
A. 1/4-28 Bolt
A
Regular Maintenance