background image

3 / 4

MI1179-1

3 / 4

Steering System

Figure 4.

D

E

D

Steering pump(Flow: 14 cc and Pressure:

125 Bar)

E

Pump delivery hose

Independent  steering  pump  for  steering  system.

Refer  to  the  Service  manual  for  hydraulic  circuit.

Pump return connected to tank through the hydraulic

collar.

Controls

Figure 5.

G

F

E

H

E

LHS servo control – for boom and slew

F

RHS servo control lever – for dipper and

bucket

G

Servo arm lock release pedal (Refer operator

manual for how to operated)

H

Servo arm – having bush and greasing as

per maintenance schedule (Refer operator

manual)

Figure 6.

K

J

J

LHS – Stabilizer Lever

K

RHS – Stabilizer Lever

Engine controls- Hand and foot throttle controls

are similar to 3DX Standard machine.

Gear  change-  Similar  to  3DX  Standard

machine.

Park  and  foot  brake  system  are  similar  to

Standard 3DX Machine. Refer to the Operator's

manual on how to check the park brake.

Loader  lever-  "JCB  +"  Pattern  similar  to

Standard 3DX Machine

Excavator lever (Non servo machine)- similar to

3DX Machine

Excavator  control  (Servo  machine)-  SAE  "+"

Pattern. This is not same as the pattern used

in JCB Excavators. It is possible to change this

for a customer who wants his BHL control to be

the same as his excavator control. Refer to JCB

Service Department for details of this change.

Electrical Controls

Figure 7.

M

N

P

Q

R

L

S

L

Hydro clamp switch

M

Front work light switch

N

Rear work light switch

P

Servo (momentary) switch

Q

Engine auto OFF - Deactivate switch

R

Air condition switch

S

Blower speed control knob

Front  Panel-  Switches  are  similar  to  3DX

Standard machine.

All  the  working  lights  switches  are  similar  to

3DX Standard machine.

Servo Momentary Switch

Press the switch once to actuate the servo system.

Reviews: