Lubrication; Greasing And Lubrication; Greasing The Mower Deck And Belt Idlers - Toro 74421TE Operator's Manual

Lubrication

Greasing and Lubrication

Lubricate the machine when shown on the Check
Service Reference Aid decal (Figure 29). Grease more
frequently when operating conditions are extremely
dusty or sandy.
Grease Type: General-purpose grease.
How to Grease
1. Disengage the PTO, move the motion control levers
to the neutral locked position and set the parking
brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Clean the grease fittings with a rag. Make sure to
scrape any paint off the front of the fitting(s).
4. Connect a grease gun to the fitting. Pump grease
into the fittings until grease begins to ooze out of
the bearings.
5. Wipe up any excess grease.
Greasing the Front Caster Pivots
Service Interval: Yearly
1. Remove the dust cap and adjust the caster pivots.
Keep the dust cap off until greasing is done. Refer to
Adjusting the Caster Pivot Bearing in Drive System
Maintenance , page 36.
2. Remove the hex plug. Thread a grease zerk into the
hole.
3. Pump grease into the zerk until it oozes out around
the top bearing.
4. Remove the grease zerk in the hole. Install the hex
plug and cap.
Where to Add Grease
Lubricate the grease fittings as shown on the Check
Service Reference Aid decal (Figure 29).
Where to Add Light Oil or Spray
Lubrication
Service Interval: Every 150 hours
• Seat switch actuator.
• Brake handle pivot.
• Brake rod bushings.
• Motion control bronze bushings.
Greasing the Mower Deck and
Belt Idlers
Service Interval: Every 25 hours—Grease the mower
deck and spindles.
Every 25 hours—Grease the mower
belt idler arm.
Every 25 hours—Grease the pump
drive belt idler arm.
Grease with No. 2 general purpose lithium base or
molybdenum base grease.
Important: Make sure cutting unit spindles are
full of grease weekly.
1. Disengage the PTO, move the motion control levers
to the neutral locked position and set the parking
brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Remove the belt covers.
28
Figure 29