Ditch Witch SK752, Operator'S Manual

Page: 70 / 89

SK752 Operator’s Manual
Service - 69
150 Hour
150 Hour
Change Engine Oil and Filter
Change engine oil and filter every 150 hours.
Raise lift arms and install safety supports. See
“Working under Raised Lift Arms” on page 58.
Drain oil, change filter (shown) and add 4.2 qt
(4 L) of DEO at fill. See page 67.
Check Fan Belt for Tension and
Damage
Check belt tension every 150 hours. Belt is
properly tensioned when it moves about 1/4-3/8”
(7-9 mm) when pushed at the long span. Replace
the belt when it is worn and sinks into the pulley
groove.
Adjust Tension
1. Loosen two alternator bolts (shown).
2. Adjust position as needed.
3. Tighten bolts.
4. Check tension.
Location Task Notes
Change engine oil and filter 4.2 qt (4 L) DEO
Check fan belt tension and damage 1/4-1/3” (7-9 mm)
IMPORTANT: Use oil specified in “Engine Oil
Temperature Chart” on page 60.
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