Service - 170 RT80Q Operator’s Manual
500 Hour
Change Hydraulic Fluid and Filter
Change hydraulic fluid and filter every 500 hours.
Change hydraulic fluid and filter every 250 hours
if jobsite temperature exceeds 100°F (38°C)
more than 50% of the time.
To change:
1. Remove drain plug (1).
2. Drain fluid and replace plug.
3. Change filter (2).
4. Refill with THF at fill (3).
Test Radiator SCA Level
Test SCA level every 500 hours using 3-Way
Heavy Duty Coolant Test Kit (p/n 256-032). If
SCA levels do not fall within appropriate range,
replenish with a heavy-duty coolant conditioner
such as John Deere coolant conditioner (p/n 256-
033).
IMPORTANT:
• Always check expiration date on 3-Way Heavy Duty Coolant Test Kit. An expired kit will not give
accurate readings.
• See page 145 for more information on approved coolants.
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