Service - 74 SK752 Operator’s Manual
1200 Hour
1200 Hour
Change Engine Coolant
Drain cooling system at drain (2). Add approved
coolant at fill (1) every two years or 1200 hours.
As Needed
Change Air Filter
Change air filter when red band on indicator (1) is
visible. Replace secondary element (4) every
third change of primary filter (3) or any time
primary element has become damaged.
1. Open air filter housing at latches (2).
2. Remove primary element (3).
3. Wipe inside of housing and end cup (2) and
clean dust ejector valve.
4. Insert new secondary element, if necessary,
and ensure it is seated correctly.
5. Insert new primary element.
6. Latch air filter case with dust ejector facing downward.
7. Reset air filter service indicator (1).
NOTICE:
• The use of non-approved coolant may
lead to engine damage or premature
engine failure and will void engine
warranty.
• See page 60 for list of approved coolants.
Location Task Notes
Change air filter
Adjust idler roller bearings
Check battery
Charge battery
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