lifter PY 20 Bedienungs- Und Wartungshandbuch Seite 5

(refer to Fig. 2).
5.10 Make sure that length of the forks matches the length of the pallet.
5.11 Lower the forks to their lowest position when the truck is not being used.
5.12 In specific conditions or places, the operator should operate the pallet truck carefully.
6. TROUBLESHOOTING
NO. PROBLEM
The forks do not lift to
1
their maximum height.
2
The forks do not lift.
The forks do not
3
descend.
4 Leaking.
The forks descend
5
without being lowered.
7. WEIGHING OPERATIONS
7.1 Put the control lever in the LOWER position and lower the forks to their lowest position.
7.2 Press the  key to turn the system on. After the start-up sequence the indicator will display the weight.
7.3 Weighing method for gross weight:
Press the ZERO key to set the gross weight to 0. Put the forks under the pallet and check that the load
is properly balanced. Put the control lever in the LIFT position and pump the handle to raise the forks
until the pallet lifts off the ground. When the indicator is stable, the gross weight of the goods (total
weight of the pallet and the goods) is shown.
7.4 Weighing method for net weight:
To display the weight of the goods without the weight of the pallet (or other container):
7.4.1 Weigh a single standard pallet, for example: weight of pallet 40kg.
7.4.1 Press the ZERO key: the indicator will display "0 kg".
7.4.1 Remove the pallet from the forks: the indicator will display "-40 kg".
Weigh the goods on the pallet as explained in point 7.3; when the indicator is stable, the net weight of
the goods is shown.
7.5 Switching between kgs and lbs.
When the weight is shown in kgs, press the ZERO to switch from kgs to lbs.
Press the ZERO key again and the current unit of measurement will switch back to kg.
7.6 Turn off the Indicator.
Press the ON/OFF key until the indicator displays "OFF". Releasing the key will cause the indicator to
turn off.
CAUSE
-There is not enough hydraulic oil.
-There is not enough hydraulic oil.
-The oil has impurities.
-The discharge valve is out of adjustment.
-There is air in the hydraulic oil.
-The rod and pump cover are deformed
due to a heavily unbalanced load. -A part
has broken or deformed due to an
unbalanced load.
-
The setting screw is not in the correct
position.
-Worn out or damaged seals.
-Some parts may be cracked or worn out.
-The oil has impurities, causing the
discharge valve not to close.
-There is air in the oil.
-Worn or damaged seals.
-The discharge valve is out of adjustment.
-Add more oil.
-Pour more filtered oil.
-Change the oil.
-Adjust the setting screw.
-Expel the air.
-Replace the rod or pump cover.
-Repair or replace the component.
-Adjust the setting screw.
-Replace the seals with new ones.
-Check the parts and replace them
with new ones.
-Replace the oil with filtered oil.
-Expel the air.
-Replace the seals with new ones.
-Adjust the setting screw
5
ACTION