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halfway to desired height. With the second pass, cut to the
desired height.
- Travel slowly when mowing tall or thick grass.
- Avoid damaging grass by slipping or skidding machine drive
wheels. Practice smooth control lever movements.
- When performing sharp turns, do not allow inside machine drive
wheel to stop and twist on grass.
MG39705,00005BB-19-09JUN21
Blade Choices
Several types of blades are available for Z300 series mowers:
42A , 48A, and 54A Decks
● Dedicated Side discharge blades. These blades are designed for
optimal performance when side discharging, and are installed on
Z300 Series 42A, 48A, and 54A mowers when shipped from the
factory.
● Dedicated Mulching blades. These blades are designed for optimal
performance when used with a mulch cover or mulch plug installed.
● Dedicated Bagging blades (42A Deck Only). These blades are
designed for optimal performance when used with a Z300 series
bagger.
MX52301,0000EFF-19-28MAY20
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 can degrade if machine is operated constantly
at slow or low engine speeds or for frequent short
periods of time.
High-pressure washing can cause damage to machine
components. It is recommended that your vehicle be
washed by hand or with a garden hose using mild soap.
Avoid spraying water with any great force near or into the
following places:
● Air intake
● Electrical connections (including battery compartment)
● Wheel bearings
● Radiator (if equipped)
● Warning labels
● Other labels
● Ignition switch
● Instrument panel (gauges and switches)
● Breather/tube vents
● Mower spindles
● Mower idler bearings
● Transmission cooling fans
Please use the following timetables to perform routine maintenance on
your machine.
Park the vehicle safely. (See Park Safely in the SAFETY Section.)
OUMX068,00006EF-19-22NOV16
Service Intervals
Every 8 Hours or Daily
● Check Engine Oil.
● Clean mufer area, air intake screens, and mower deck.
● Check brake system.
● Check fuel level.
● Clean mower deck with washout port after use.
● Check under machine for leaks.
● Check safety interlock system.
● Check tire pressure.
Yearly or 50 Hours (Whichever Comes First)
● Check mower deck level. Level if necessary.
● Change engine oil. (10W30)
● Replace engine oil lter.
● Lubricate mower deck spindles and idler arm.
Every 100 Hours or Annually (Whichever Comes First)
● Replace air lter, fuel lter, and spark plugs.
● Clean engine cooling ns.
● Check mower belt. Replace if necessary.
● Sharpen / replace mower blades.
● Clean underside of mower deck.
● Check tire pressure.
● If there is debris that cannot be blown out, remove blower housing
for complete cleaning.
Every 200 Hours
● Check / adjust engine valve clearance. See your John Deere dealer
for this service.
gh8xt3t,1654593830569-19-07JUN22
Service Lubrication
Grease
IMPORTANT: Avoid damage! Use recommended John Deere
greases to avoid component failure and premature wear.
The following grease is recommended for service:
● John Deere Multi-Purpose HD Lithium Complex Grease
● Grease-Gard™ Premium Plus
Not all grease types are compatible; John Deere does not recommend
mixing greases. If using any product other than the recommended
grease in service, purge any remaining grease from the system before
application. If not practical, grease twice as often until all old grease is
purged from the system.
OUMX068,0000642-19-20APR21
Lubricating Mower Deck Spindles
NOTE: Removal of belt shields is not necessary to lubricate the
spindles.
1. Park machine safely. (See Parking Safely in the Safety section.)
2. Lower mower deck fully.
3. Remove the mower deck foot plate. (See removing and installing
mower deck foot plate in the Service Mower section.)
Service Intervals
25
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