Great Dane GDRZ61-26KHE, GDRZ72-27KHE manual Service Intervals, Servicing Your Machine, Annually

SERVICE INTERVALS

Servicing Your Machine

IMPORTANT: Avoid damage! Operating in extreme conditions may require more frequent service intervals:

•Engine components may become dirty or plugged when operating in extreme heat, dust or other severe conditions.

•Engine oil and spark plugs may lose efficiency if vehicle is operated constantly at slow or low engine speeds or with frequent short trips.

Please use the following timetables to perform routine maintenance on your machine.

NOTE: The following initial break-in items must be performed and verified to validate the warranty (dealer service invoice accepted).

Remove debris from the underside of the mower deck.

Every 50 Hours or Weekly (Whichever Comes First)

Change engine oil and filter. See the engine manufacturer’s owner’s manual provided with your machine for the complete procedure.

Grease caster wheel spindle bearings (two places).

Grease mower deck thrust arms (two places).

Remove debris from the underside of the mower deck.

Check drive belt tension.

Check tire pressure.

Clean engine air filter.

Check wheel nut torque.

Break-In (After First 8 Hours of Operation)

Change engine oil and filter.

Check drive belt tension.

Check mower deck drive belt tension (48-, 52- and 61-Inch Mower Deck).

Check engine-to-deck drive belt tension (72-Inch Mower Deck).

Check spindle drive belt tension (72-Inch Mower Deck). Check transmission neutral adjustment.

Check wheel nut torque.

Check and adjust (as needed) park brake.

Remove debris from the underside of the mower deck.

Every 25 Hours or Weekly (Whichever Comes First)

Grease mower deck thrust arms (two places). Grease spindle bearings (three places). Grease traction drive belt tension arm. Grease mower deck drive belt tension arm.

Grease engine-to-deck drive belt tension arm (72-Inch Mower Deck).

Grease HOC shafts (four places).

Lubricate spindle drive belt tension arm (72-Inch Mower Deck).

Lubricate front caster wheels (Chariot LX).

Lubricate front caster wheel spindles.

Every 160 Hours or Monthly (Whichever Comes First)

Check transmission oil level.

Lubricate mower deck idler pulley pivots (three places). Lubricate seat platform hinges (two places)

Lubricate pump control arms (five places). Lubricate control lever pivot shafts (two places). Lubricate throttle cable.

Lubricate choke control cable (Carbureted Engines Only).

Annually

Inspect all spindle bearings (6). Replace as needed.

Inspect all mower deck idler pulleys (3). Replace as needed.

Remove and inspect caster wheel roller bearings; clean and pack with grease. Replace as needed.

Remove and inspect caster pivot bearings; clean and pack with grease. Replace as needed.

Inspect drive belts. Replace as needed. Run-in and adjust tension.

Clean power unit.

Change hydraulic oil and filter (annually or 500 hours whichever comes first).

Check all bolts and nuts; tighten as needed.

Remove battery. Clean battery and holder.

Replace spark plugs.

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