Compact 14 – C3947E

1. COMPACT 14 – C3947E

2. Diapositive 2

TARGETS AND CONTENTS
TARGETS
At the end of this training course, you will :
have a global technical view of the Compact-Optimum range
know each hydraulic and electric functions
CONTENTS
Hydraulic functions :
Introduction : circuit type 167P326860
Lift
Descent
Drive (low and high speed)
Steering
Electric functions :
Introduction : circuit type 167P351240
Power on platform
High speed drive mode
Lift mode
Descent mode
Hydraulic – electric circuit for Compact-Optimum range
2

3. Diapositive 3

INTRODUCTION : CIRCUIT 167P326860
Hydraulic – electric circuit for Compact-Optimum range
3

4. Diapositive 4

LIFT MODE
YV1
Hydraulic – electric circuit for Compact-Optimum range
4

5. Diapositive 5

DESCENT MODE
YV7 + YV8 + YV9* (>SQ1)
If PF < SQ1 then YV9 =0
smooth descent
In emergency mode (cable) , the oil is
also going through the flow restrictor
on YV9 in order to lower the PF
Hydraulic – electric circuit for Compact-Optimum range
5

6. Diapositive 6

LOW SPEED DRIVE MODE
NV1 valve is open
YV2 + YV6* (if PF<SQ1)
NV2 valve is closed
TANK
PUMP
Hydraulic – electric circuit for Compact-Optimum range
6

7. Diapositive 7

HIGH SPEED DRIVE MODE
NV1 valve is open
YV2 +YV3+YV4+YV6
NV2 valve is closed
TANK
PUMP
Hydraulic – electric circuit for Compact-Optimum range
7

8. Diapositive 8

STEERING
YV5
Flow control valve ( priority valve)
(the priority flow of 1.7l/mn is sent to steering)
TANK
PUMP
Hydraulic – electric circuit for Compact-Optimum range
8

9. Diapositive 9

INTRODUCTION : CIRCUIT 167P351240
RCH
Potholes
Hydraulic – electric circuit for Compact-Optimum range
9

10. Diapositive 10

POWER ON PLATFORM
RCH
Potholes
Hydraulic – electric circuit for Compact-Optimum range
10

11. Diapositive 11

HIGH SPEED DRIVE MODE
RCH
Potholes
Hydraulic – electric circuit for Compact-Optimum range
11

12. Diapositive 12

LIFT MODE
RCH
Potholes
Hydraulic – electric circuit for Compact-Optimum range
12

13. Diapositive 13

DESCENT MODE
RCH
Potholes
Hydraulic – electric circuit for Compact-Optimum range
13