Ditch Witch RT55 - Manual (Page 140)

RT55 T4i Operator’s Manual
Service - 139
500 Hour
Change Hydraulic Fluid and Filter
Change hydraulic fluid and filter every 500 hours. Change every 250 hours if jobsite temperature exceeds
100°F (38°C) more than 50% of the time.
To change:
1. Remove drain plug (2).
2. Drain fluid and replace plug.
3. Change filter (3).
4. Refill with THF at fill (1). Hydraulic reservoir capacity is 12 gal (45.4 L). Hydraulic system capacity is 20
gal (75.7 L).
Change Fuel Filters
Change primary (2) and filter element (1) every 500 hours.