MAINTENANCE INSTRUCTIONS
0608ME All Maintenance Manual 25
© Jan. 2024
• Load-bearing structural components that have lost
overall stability and cannot be repaired must be re-
placed and discarded.
• Cracks in structural components or welds should be
analyzed to understand the cause. The components/
welds should be reinforced as appropriate consider-
ing the load and the characteristics of the cracks.
Continued use is only allowed if the structural com-
ponent/weld meet the original design requirements;
otherwise they should be discarded.
Pressure-fit Parts
When assembling pressure-fit parts, use anti-seize or
molybdenum disulfide-based compounds to lubricate
the mating surface.
Bearings
1. Cover bearings that have been removed from the
machine to keep the bearing clean from dust and
abrasives. Use non-flammable cleaning solvent to
clean bearings and allow them to dry in a shaded
area. Compressed air may be used but the bearings
should not be rotated.
2. If the races and balls (or rollers) display pits,
notches or burn marks, the bearing should be re-
placed and discarded.
3. If the bearing is still serviceable, apply a coat of oil
and wrap it in clean paper (or wax paper). Do not
unwrap reusable bearings or new bearings until
they are ready for installation.
4. Lubricate new or serviceable bearings before instal-
lation. When pressing the bearing into the retainer
or bore, pressure should be applied only to the outer
race. If the bearing is to be installed on a shaft, pres-
sure should be applied only to the inner race.
Gaskets
Check if the opening in the gasket is aligned with the
opening in the component that is to be sealed.
Bolt Use and Torque Requirements
NOTICE
Self-locking fasteners such as nylon inserts and
thread locking nuts must not be reinstalled after
removal.
1. Always use a new self-locking fastener when instal-
ling locking fasteners. Use bolts of appropriate
lengths. If a bolt is too long it may be pressed
against the adjacent part before being properly
tightened. If the bolt is too short it is likely to not
have enough thread area to properly secure the
parts. Replacement bolts must be of the same or
equivalent size as the original bolt.
2. In addition to the specific torque requirements pro-
vided in this manual, standard torque values should
be used on heat-treated bolts, studs, and steel nuts
in accordance with recommended factory practice
(see Page 16, Fastener Torque Specifications).
Electrical Wiring
When unplugging or removing electrical wires from the
machine, the electrical wires and their sockets should
be clearly marked so that their reinstallation will be
correct.
Application of Insulating Silicone
Grease to Electrical Connections
Insulating silicone grease should be applied to all elec-
trical connections for the purpose of:
• Avoiding oxidization of the connecting points be-
tween the male pin and female pin.
• Avoiding electrical failure due to low conductivity be-
tween the pins in humid environments.
The following instructions should be observed when ap-
plying insulating silicone grease to the electrical connec-
tions. This procedure applies to all plug connections
installed outside the distribution cabinet. The silicone
grease is not suitable for the connectors with a sealed
outer surface.
1. Prior to the machine assembling, apply silicone
grease around the male and female pins of the con-
nectors to prevent oxidization. An grease syringe
may be used for this procedure.
NOTICE
Oxidization that is allowed to progress over a cer-
tain period will increase the resistance of the con-
nectors and eventually lead to electrical failure.
2. Silicone grease should be applied to each electrical
cord that is exposed outside the connectors to pre-
vent short circuit. Silicon grease should also be ap-
plied to the connecting points of male and female
connectors. Sealing measures should also be ap-
plied to other connectors that may be subject to
water ingress, such as around strain relief clamps.
NOTICE
Due to the higher conductivity of cleaning sol-
vents compared to water, situations of water in-
gress are especially likely to occur when cleaning
the machine with a pressure washing method.
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