Ditch Witch JT922 - Manual (Page 143)

Service - 142
JT922 Operator’s Manual
500 Hour
CMW
Change Engine Oil & Filter (Normal
Service)
Change engine oil and filter every 500 hours for
normal service. Drain oil (3), change filter (2), and
add 9 qt (8.5 L) of DEO at fill (1).
Change Hydraulic Fluid and Filter
Change hydraulic fluid and filter every 500 hours.
Drain hydraulic fluid (3), change filter (4), add THF
at hydraulic fluid fill (2) and check level at sight
glass (1).
IMPORTANT: Use oil specified in temperature
chart found in “Recommended Lubricants/
Service Key” on page 130.
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).