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9. Loop the digging chain over the auger drive shaft and
onto the drive sprocket, ensuring that the digging teeth
point forward on the upper span.
10. Set the upper span of the chain into place on the
trencher boom, then wrap the chain around the roller
at the end of the boom.
11. Thread the adjustment bolt into the boom and turn it
in until there is 3.8 to 6.3 cm (1-1/2 to 2-1/2 inches) of
slack in the chain on the bottom span.
12. Thread the jam nut down the adjusting bolt and tighten
it securely against the boom.
13. Torque the 2 bolts and nuts securing the boom to 183
to 223 N-m (135 to 165 ft-lb).
14. Install the spoils auger using the bolt, 2 saddle washer,
and nut you removed previously.
15. Torque the bolt and nut to 101 N-m (75 ft-lb).
2
Checking Fluid Levels
No Parts Required
Procedure
Before starting the engine for the first time, check the engine
oil and hydraulic fluid levels; refer to
Level (page 17)
and
Checking the Hydraulic Fluid Level (page
17)
for more information.
3
Charging the Battery (Electric
Start Models Only)
No Parts Required
Procedure
Charge the battery; refer to
for more information.
Checking the Engine-Oil
Charging the Battery (page 32)
Product Overview
1. Control
4. Chain
panel
guard
2. Engine
5. Chain
3. Spoils
6. Digging
auger
teeth
Controls
Become familiar with all the controls
start the engine and operate the machine.
6
7
3
5
1. Traction control
2. Boom elevation lever
3. Trencher control lever
4. Reference bar
Key Switch, Model 22972
The key switch has 2 positions: Off and Run.
To start the engine, rotate the key to the Run position, then
pull the recoil handle on the engine.
To stop the engine, rotate the key to the Off position.
13
Figure 5
7. Boom
10. Reverse
safety
plate
8. Trencher
head
9. Track
(Figure
6) before you
1
8
2
4
G007801
Figure 6
5. Throttle lever
6. Choke lever
7. Key switch
8. Hour meter
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