General Pump VH - Manual (Page 14)

GENERAL PUMP
A member of the Interpump Group
VH SERIES
Page 14
Screw calibration is to be carried out by
means of a torque wrench only:
12. SCREW CALIBRATION
13. MAINTENANCE TOOLS
The following tools are designed to
facilitate mounting and dismounting
operations of some pump components:
For disassembling:
-cylinder extractor F200000180
-piston guide oil F200000140
seal extractor
For assembling:
-piston guide oil seal F200000030
-head/valve seats tool F200000170
14. PUMP STOPPED FOR LONG TIME
Before starting the pump for the very first
time after a long period from the date of
shipment check for the correct oil level,
check the valves as indicated in chapter
11 and then comply with the starting
procedures indicated in chapter 10. When
a long inactivity is scheduled drain the
entire suction and delivery line and then
run the pump dry only for a few seconds
in order to drain out the water collected
inside the fluid end.
15. PRECAUTIONS AGAINST FREEZING
In the risk of freezing the following
precautions should be taken:
- After use drain the entire suction and delivery lines
(filter included) by means of discharging devices,
provided and positioned specifically for this purpose
along the lowest point of the lines.
- Run the pump only for a few seconds in order to
drain the water collected inside the fluid end.
Or when applicable
- Add a recommended amount of anti-freeze into the
water tank and run the pump until the anti-freeze
works all through the system.
If a pump is frozen or appears frozen ON NO ACCOUNT
SHOULD THE PUMP BE OPERATED until the entire
system has been thawed out.
DESCRIPTION Ft. Lbs. N-m Kgm.
Valve cover
screws
54.2 73.5 7.5
Head Bolts 133.8 181.4 18.5
Plunger bolts 28.9 39.2 4
Connecting Rod
Screws
28.9 39.2 4