JT5 Operator’s Manual Service - 135
500 Hour
CMW
®
500 Hour
Replace Fan Belt
Replace fan belt (shown) every 500 hours.
To replace
1. Loosen bolts (1, 2) and remove belt.
2. Install new belt and adjust properly. See
page 139.
750 Hour
Change Drilling Fluid Pump Oil
Change fluid pump oil every 750 hours. Drain at
plug (2) and add with oil at plug (1). Maintain fluid
level at fill plug. Capacity for pump is 1 qt (0.9 L).