- 22 -
5.5. Lubrication instruction
Basic maintenance activities are keeping lubrication periods and using proper types of
grease. Before lubrication all the points of lubrication shall be cleaned out of contamination.
Lubrication of the digger shall be performed according to the table 3.
Table 2. Digger lubrication place
Rocker sleeve of the front hopper
Sleeve of the front hopper
Rocker sleeve of the back hopper
Sleeve of the back hopper
Axle of the support wheel
every 200 hours (or once a season)
5.6. Detection and removal of failure
During operation, following failure can occur, which can affect unfavorably the digger
operation quality, raise the application cost and also lead to damage both of the digger and
the tractor.
REMEMBER !
Work with an inefficient, improperly adjusted machine may lead to serious threats to the
operator and other people. Inefficiencies and damages noticed shall be removed without
delay.
Table 3.Table of inefficiency reasons and methods of removal
Tractor front tends to rise
upwards
Too little load on the front.
IMPORTANT: Tractor front axle
load cannot be less than 0.2 of
the tractor’s weight.
Check if the tractor class is consistent with
the manual recommendations. If not –
change the tractor. If so – check and if need
be add the proper number of front axle
ballasts.
Dug potatoes, vegetables are
damaged
The digger operates too shallow
Increase the depth of the digger operation,
adjusting the support wheels.
Damaged or worn topper
ploughshares
Check and exchange topper ploughshares
Topper ploughshares set too high
Check and adjust the operation depth
Improper longitudinal levelling
Check and level the digger, perform
adjustment with the central connector
Not all soil is sifted away
Too little space between hoppers
and the ground
Check and perform proper adjustment with
the central connector and support wheels
Transversal rocking of the
digger
Improperly adjusted side rods
pullers
Check and perform adjustment
6. TRANSPORTATION ON PUBLIC ROADS
6.1. Digger transportation by means of transport
Diggers can be transported from the manufacturer to the sales person or client by
trailers of means of transport. Diggers are transported assembled and ready for operation.
Diggers are loaded onto car trailers with lifting devices after installing lines or chains in places
marked with pictograms by the manufacturer. The diggers should be secured still on means
of transport, the transporting person is responsible for proper securing.