Hardi MEGA VPZ NK, Original Instruction Book

Page: 134 / 178

6 - Maintenance
134
˜
ATTENTION! Before tightening the 4 bolts for the head (2), the
diaphragm must be positioned between centre and top to
ensure correct sealing between diaphragm pump housing and
diaphragm cover. Turn the crank shaft if necessary.
Lubrication After Assembly
After disassembling the pump (diaphragm renewal, etc.), the pump
MUST be lubricated with 200 g grease into each lubrication point.
HARDI pump grease cartridge (400g): HARDI item no. 28164600
Overhaul Kit
Pump model: 364 and 464.
Diaphragm pump overhaul kit (valves, seals, diaphragms etc.) can be
ordered. Detect the pump model - the overhaul kit can be ordered by
your local dealer.
Model 364: HARDI item no. 75585900.
Model 464: HARDI item no. 75586000.
Speed Transducer for Pump
The speed transducer, measuring rounds per minute (rpm), is located at
the inner side of the PTO shield. This sensor is an inductive type, which
requires metallic protrusions to pass by it to trigger a signal.
If the sensor is exchanged, it must installed accurately to function.
Adjustment
1.
Adjust the air gap (A) between sensor tip and pump part is set by
turning the nuts on the support bracket for the sensor.
The air gap (A) must be set to 1 mm (+0.3/-0.0 mm).
Use a feeler gauge or similar tool to verify.
2.
Verify transducer function on the controller:
•
HC 6500 / ISOBUS VT:
Monitor the menu [4.5.4.9.6 PTO pump frequency].