S
TARTING
UP
AND
OPERATING
C
HAPTER
7
THP 94/42 R 4 XXT
THP 125/42 R 4 XXT
THP 140 H/42 R 4 XXT
GB-07.2005
7-18
Fault possibility 1: Defective sensors in the drive cylinder or oscillation cylinder
•
Set the Back-up Pump control selector switch (Item 2, Fig. 5.7) to position “B”
•
Set the pressure switch (Item 2, Fig. 7.23) to the anticipated pumping pressure (min. 60 bar, max. 280 bar)
•
Set the key switch (Item 14, Fig. 7.21) to position “Desk” or “Remote Control”
•
Switch on the “Pump/Suck” function using rocker switch (Item 11, Fig. 7.6) or rocker switch (Item 13, Fig. 7.22)
NOTE:
墌
If the pressure at the pressure switch is set too low, the stroke will be
short and the S-valve may not swing over fully.
墌
If the pressure at the pressure switch is set too high, the pump can
stop at the end of its travel.
Fault possibility 2: Controller failure
•
Set the Back-up Pump control selector switch (Item 2, Fig. 5.7) to position “B”
•
Set the key switch (Item 14, Fig. 7.21) to position “Desk” or “Remote control”
•
Switch on the “Pump/Suck” function using rocker switch (Item 11, Fig. 7.21) or rocker switch (Item 13, Fig.
7.22)
NOTE:
墌
The stroke rate, the power control and switching speed do not function
in setting “A”.
墌
The concrete delivery can only be changed via engine speed.
墌
A lower gear should generally be engaged on the vehicle gearbox.
