30
Maintenance Schedule
(
Refer also to Summary Chart, above)
1 Bolted Connections
All bolted connections of the machine should be
checked after the first 3 to 5 hours of operation and
retightened if necessary and thereafter at regular
intervals. It is suggested that this is done every 500
hectares or annually, whichever occurs first.
2 Drive Chains
All drive chains should first be checked after every 20
hours of operation and thereafter weekly or after 75Ha
of operation as follows:-
The metering units of the seed drill are driven via
driveshafts and roller chains from the drive wheel.
Cleaning of the roller chains is recommended after
long periods of operation. Remove the chain, wash in
kerosene and then dip them in heated grease or oil
or spray them with a suitable commercial roller chain
lubricant. Do not heat the black plastic chain tensioners;
just wash in kerosene and refit. The lubricant on the
chain will transfer to the tensioner in use.
4 Wheel Arm Pivots
Wheel arm pivots must be greased regularly (weekly or
after every 75Ha) to provide lubrication and flush out
any dirt. (1).
5. Depth Adjustment Collar
Grease the depth adjustment collar (2) regularly to
ensure it does not seize up. Also check for dirt buildup
around the ram shaft seals to ensure seal damage does
not occur. Refer Fig 26
Maintenance & Care - Lubrication Instructions
Components
Daily Weekly Pre Season
(or after 20Ha) (or after 75Ha) (or 500 Ha)
Depth Adjustment Collar ●●●
Wheel Nuts ●●●
Pivot Pin Fasteners ●●
Coupling & Safety Chains ●●
Roller Chains ●●
Hydraulics (Oil Leaks) ●●
Tyre Pressures (58psi /4.0 bar) ●●
Bolted Connections ●
‘Enviro DD35’ Maintenance & Care
1
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