Ditch Witch JT100, Operator'S Manual

Page: 223 / 268

Service - 222
JT100/JT100 All Terrain Operator’s Manual
1000 Hour
Drilling Unit
Change Hydraulic Fluid and Filters
Change hydraulic fluid and filters every 1000
hours.
To change:
1. Drain hydraulic oil at drain (3).
2. Change hydraulic filters. See “Change
Hydraulic Filters (Initial Service)” on
page 209.
3. Add THF at fill (1) until level is at halfway
point on sight glass (2). .
IMPORTANT:
• If ambient temperature exceeds 100°F
(37°C) for 50% of time, change oil and filter
every 500 hours.
• If hydraulic system must be opened for
repair, install new filters (p/n 153-791) for
first 25 hours of operation. If these filters
become plugged in fewer than 20 hours,
replace with clean filters. After 25 hours of
normal operation, replace with clean filters
(p/n 153-792).