Ditch Witch JT40 - Operate Carriage Control for Drilling

Conduct a Bore - 122 JT40/JT40 All Terrain Operator’s Manual
Start System
Start System
1. Start drilling unit and remote fluid unit. Allow both engines to warm up.
2. Enable DrillLok
®
mode if desired. See “DrillLok® System” on page 162.
3. Increase engine to full throttle. See “Autothrottle control” on page 38.
4. Press and hold quick fill fluid pump switch until pipe fills and fluid pressure begins to rise.
Prime Drilling Fluid Pump
Prime drilling fluid pump each time tank is changed. To prime the pump:
1. Fill drilling fluid hose and connect hose to unit.
2. Operate mixing/transfer pump at full speed for 1 - 3 minutes to discharge air from system.
3. Return mixing/transfer pump to normal operating speed and continue the bore.
4. If drilling fluid pressure surges are observed, repeat step 2.
IMPORTANT: Ensure that mixture of drilling fluid matches drilling conditions. See “Drilling Fluid”
on page 158.
Read operator’s manual. Know how to use all controls.
Your safety is at stake.
273-475.
To help avoid injury: Failure to prime the drilling fluid pump will cause
flow fluctuations, which will make it difficult to control the washwand.
Pressurized fluid or air could pierce skin and cause
severe injury. Refer to operator’s manual for proper use.
270-6035