MAINTENANCE INTERVALS
157
Lubrication
To help keep the I-series in proper running order,
Cub Cadet recommends the following lubrication inter-
vals be used (adjustable to local conditions). Use a
high quality petroleum grease to lubricate the tractor.
* On 42” timed decks, the idler stop bolt needs to
be readjusted every 10 hours.
NOTE: Lubricate all of the pivot points with a
light coating of oil once a season.
Engine maintenance
The recommended maintenance intervals listed in
this manual are a guideline. They are adjustable for
local conditions.
Table 1:
Lube Point
Number of
fittings
Interval
Pivot bar 4 25 hours
Steering arms 2 25 hours
Wheel bearings 2 25 hours
Spindles* 3 10 hours
Table 2:
Maintenance items Interval
Oil Change 100 hrs
Air filer pre cleaner 25 hrs
Air filter 50 hrs
Spark plugs 100 hrs
Fuel filter 100 hrs
The spark plugs
The spark plugs should be checked, cleaned and
re-gapped on a monthly basis or every 100 hours of
use. The plugs should be replaced every six months or
300 hours of use.
When checking the spark plugs, a dry, light colored
residue on the plugs is a sign of running lean.
If there is a thick, wet, black residue on the plug the
engine is running rich.
There should be a dry tan coating on the plugs.
This would indicate the proper mixture.
To remove/replace the spark plugs:
1. Remove the spark plug wires on each side.
See Figure 9.1.
NOTE: Do not use metal pliers on spark plug
wires. Damage to the wire can result.
Figure 9.1
CHAPTER 9: MAINTENANCE INTERVALS
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