Ditch Witch JT1220 - Manual (Page 182)

JT1220 Mach 1 Operator’s Manual
Service - 181
500 Hour
CMW
Change Hydraulic Fluid and Filter
(Normal Conditions)
Change hydraulic fluid and filter every 500 hours
for normal service. Drain hydraulic fluid, change
filter, and refill with THF at hydraulic fluid fill.
IMPORTANT: If hydraulic system must be
opened for repair, install new filter (p/n 153-
791) for first 50 hours of operation. If this
filter becomes plugged in fewer than 20
hours, replace with new filter. After 50 hours
of normal operation, replace with new filter
(p/n 153-792).