HG20F-012KMM_inst_ Issue 1 © 2023
4
TROUBLE SHOOTING GUIDE
PRODUCT SPECIFICATIONS:
For Warranty Terms and Conditions see macnaught.com.au
For a list of Australian Service Centres see macnaught.com.au
* When tested with lubrication oil @ 25°C. Allowances should be made for changes to these parameters.
* Accuracy
+/- 1%
Batch Total
999.9
Accumulative Total
999999.9
Wetted components:
Acetal, aluminium, nitrile (NBR), mild steel
Flow Range:
1-30 litres/minute (0.26-8 US gal/min)
Max. working pressure:
6900 kPa / 1000 psi / 69 Bar
Inlet thread - Gun
½” BSPT
Outlet thread: -Meter
½” BSPP
Operating temperature:
-10°C (14°F) to +55°C (131°F)
Weight (approx):
1.75kg
Note:
This product should be disposed of according to all applicable local
and national government environment regulations and guidelines.
TROUBLE CAUSE
REMEDY
Inaccurate
a) Measuring chamber dirty or clogged
a) Clean measuring chamber (ref disassembly and
reassembly section)
b) Air in system
b) Eliminate any leaks and purge air from the system
Low flowrate
a) Measuring chamber is dirty or clogged a) Clean measuring chamber (ref disassembly and
reassembly section)
b) Measuring chamber is dirty or clogged b) Clean measuring chamber (ref disassembly and
reassembly section)
c) Damaged plunger seal
c) Replace damaged plunger seal
Constant oil leak from the nozzle
a) Damaged plunger seal
a) Replace plunger seal ( check for damage )
Intermittent drip from the nozzle
b) Dirt in the nozzle
b) Remove the nozzle and blow out any dirt particles,
replace if necessary.
Oil leak from the lever assembly area
a) Damaged o’rings
a) Replace damaged o’rings
Oil leaking from the swivel inlet
a) Damaged o’ring or swivel
a) Replace swivel
