Charles Machine Works Ditch Witch RT125, Operator'S Manual

Page: 181 / 231

Service - 180
RT125 Operator’s Manual
500 Hour
Change Hydraulic Fluid and Filter
Change hydraulic fluid and filter every 500 hours.
To change:
1. Remove drain plug (1).
2. Drain fluid and replace plug.
3. Change filter (2).
4. Add THF at fill (3).
Test Coolant Freeze Protection Level
With engine cool, test coolant freeze protection
level using a hydrometer or refractometer.
Recommended freeze protection level is -34°F
(-37°C). Adjust as needed.
If colder temperatures are expected, consult your
Ditch witch
®
dealer or coolant supplier.
Use pre-dilluted coolant to maintain proper freeze
protection.
Change DEF Filter
Change DEF filter every 500 hours.
To change:
1. Remove DEF filter cover.
2. Pull out DEF filter insert and compensation
body.
3. Insert new DEF filter insert and compensation
body and ensure both are seated correctly.
4. Replace cover and torque to 15-18 ft•lb
(20-25 N•m).
NOTICE: If normal operating temperature
exceeds 100°F (38°C) 50% of the time, change
every 250 hours.
IMPORTANT: See “Approved Coolant” on
page 155 for more information.