Service - 226 JT40/JT40 All Terrain Operator’s Manual
2000 Hour
2000 Hour
Change Engine Coolant
Drain cooling system at drain (1) every two years or
2000 hours. Add approved coolant according to
instructions below. Refill capacity is 24 qt (22.7 L)
for HRC units and 23 qt (21.8 L) for LRC (Tier 3)
units.
To fill:
1. Remove fill cap (2) on expansion tank.
2. Add coolant at radiator fill (2) at a rate of 3 gpm (11.4 L/min) or less until full.
3. Run engine with thermostat open (>195°F/90°C engine temperature) for several minutes.
4. Stop engine and let it cool.
5. Maintain coolant level at halfway point on sight glass (3).
6. Install fill cap on expansion tank.
Location Task Notes
DRILLING
UNIT
Change engine coolant DEAC
Change fluid pump oil MPL
Replace crankcase breather filter HRC only
NOTICE:
• The use of non-approved coolant may lead to
engine damage or premature engine failure
and will void engine warranty.
• See “Approved Coolant” on page 203 for list
of requirements.
• Use only distilled water for mixing coolants.
Do not use tap water.