Ditch-witch JT922 User Manual download pdf (Page 147)

Service - 146 JT922 Operator’s Manual

As Needed

CMW

Drilling Unit

Change Auto Lubricator TJC Pail

Check pipe auto lubricator TJC level and change

pail as needed.

To change pail

1. Remove wingnuts and bolts attaching base ring

(4) to pail cover (1).

2. Rotate base ring slightly to clear hooks on

cover and remove pail from cover.

3. Remove follower plate (3) from empty pail and

install into new pail. Press firmly on follower

plate until TJC comes up in center opening.

4. Remove base ring from empty pail and install onto new pail.

5. Install pail into place over pump dip tube. Use hooks on cover to support base ring.

6. Install bolts and wingnuts.

7. Remove cap (2) from discharge tee on pump. Operate pump until discharged TJC is free of air

pockets. Replace cap.

Change Hydraulic Filter (Anytime

System Opened)

Change hydraulic filter anytime system is opened

for repair. Change filter and refill with THF at

hydraulic oil fill.

NOTICE: Use only genuine Ditch Witch tool joint compound to maintain warranty. See “Recommended

Lubricants/Service Key” on page 130 for more information.

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).

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Ditch-witch JT922 User Manual Page 147