Bush Hog CBH70, CBH80, CBH60 manual Befor E, PO Sition, Controls

Figure 1

GENERAL OPERATION

Swing

Lock Pin

Location

Bucket

Link

! CAUTION
To a void possible		injury,
observe th e fol		lowing
saf ety rules	BEFOR E
OPERATING the backhoe:
1. BE SURE area is cl ear
of underground utilities or
other hazards.	barric ad e
2. PO SITION
around work area.		equate
3. PROVI DE ad
front end wei		ght to

	Boom
Mainframe		Dipper-Stick
	Boom	Bucket
Stabilizer
	Transport
Cylinder	Lock Pin
Stabilizer	Locations

counter-balance tractor at all t imes. 20% of th e tot al tracto r, l oader and b ack- hoe weight must be on the tractor front axle.

4. Keep bystanders a s afe distance away.

DIRECTIONS: The	terms right, left, fro nt a nd bac k
shall be determined from the position of the oper ator
when se ated i n the	operating position on the back -
hoe.
Engine Speed
The speed at which the backhoe operates is partially
dependent on e ngine RPM. Use a moder ate engine
speed to start and increase it as your experience per-
mits. Refer to “SPEC IFICATIONS” for hydraul ic flow
volume requir ements. W hen powering from tractor
systems wi th highe r output, red uce engine RPM to
obtain acceptable backhoe operating speed.
Figure 2 Control Handles		Crowd &
Boom &
Swing		Bucket
	Right Hand
	Stabilizer

Left Hand

Stabilizer

CONTROLS
The backh oe has two majo r con trol l evers plus the
stabilizer co ntrol levers. These controls a				re located
on the control console directly ahead of the operator.
See Figure 2. Th e following is a		list of the controls,
with the function of each, reading from left to right.
1. Left Hand S tabilizer: Push lever forward, the LH
stabilizer lo wers. Pull lever back, th			e LH stabilizer
raises.		orw ard, the boom
2. Boo m/S wing: Pus h lever f
moves down, a way from the operator. Pul					l lever
back, the boom moves up, toward the operator.
The Boom/Swing Control Lever has an added					“float”
function . A detent or st op s hould be felt				when the
lever is pushed forward to move		the boom do wn.
Pushing the leve r forward more wi			ll overcome the
detent and cause the boom to float, or move down or
up freely, depending on the forces acting on it. When
the le ver i s r eleased it sh ould re turn to the ce nter,
neutral position.
Move lever to the left, the backhoe swings to the left.
Move lever to the right, the backhoe sw				ings to th e
right.
By moving the lever to o ne of th e intermediate po si-
tions,	the boom can be swung left or right a				t the
same	time it is be ing raised or lowered, performing
the two operations simultaneously.

SWING LEFT AND LOWER the boom by moving the control lever forward and to the left.

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