Superabrasive Owner’s Manual orginal language –
Lavina 20®N Pro/20®NHV Pro
2/2012
10
7. MAINTENANCE AND INSPECTION
CLEANING
Keep your machine clean. Cleaning the machine on a regular basis will help detect and solve potential problems before
they cause damage to the machine. Most importantly, check and clean the tool plate connections, power cord and
plugs, vacuum hoses and water tank.
CHECK DAILY
After operating the Lavina 20®N Pro/20®NHV Pro, the operator should conduct a visual inspection of the machine. Any
defect should be solved immediately. Pay attention to power cords, plugs and vacuum hoses.
Shock absorbers A01/00.00.01 (See page Floating backer plate) are consumables and have to be checked daily and
replaced if needed. Buffers and spiders (See page SA tool holder and page SAM tool holder) are consumables and
must be visually checked daily and replaced if needed. The key lock holders on the tool holders should be also
checked.
CHECK EVERY 200 WORKING HOURS
Every 200 working hours, the operator should inspect all parts of the machine carefully. Most importantly, inspect and
clean the tool plate connections, power cord and plugs, vacuum hoses and water tank. Also, check the water flow.
Check the guard assembly. Make certain the wheels are clean and rotate properly. Inspect the control buttons. If there
are defective control parts, they should be replaced immediately. Replace worn vacuum- and water hoses.
Machines with floating backer plate tool holder (Fig. 12.3.1 and Fig. 12.13.1)
Dismount the seal assemblies (See Troubleshooting) replace all parts (pins, seal assemblies, “O” rings) with the
slightest damage or consume. Check the floating backer plates; replace sealer fronts, shock absorbers.
Machines with SA tool holder (Fig. 12.3.2 and Fig. 12.13.2) or with SAM tool holder (Fig. 12.3.3 and Fig. 12.13.3)
Dismount the tool holders (See Troubleshooting) replace all parts (Spider, buffers, sealer caps, “O” rings) with the
slightest damage or consume.
CHECK EVERY 400 WORKING HOURS
Besides the checks of 200 working hours, open up the bottom cover like described in chapter “TROUBLE SHOOTING
REPLACING BELT AND PULLEY UNITS. Check if sealers, belt and bearings are in good condition, change if needed.
VACUUM
As stated previously, frequently check hoses and other parts for clogging.
WATER LEAKS
Replace any leaking parts immediately as the water could damage your machine
MECHANICAL PARTS
Parts such as the belt, seal rings, cap rings, spiders and buffers and guard assembly are subject to wear and should be
replaced as needed.
ELECTRICAL SYSTEM
Dust should not enter the control box, as it will destroy the contacts. Remove (blow out) any dust present.
SINGLE PHASE OR THREE PHASE CONNECTION
Only Lavina 20®N Pro 208-240 Volt
The Lavina 20®N Pro 208-240 Volt will automatically detect if the connection is based on single (L1, L2) or three phase
(L1, L2, L3) 208-240 Volt. The operator does not have to switch the machine; only connect to two phases or three
phases. For convenience, the machine is delivered with 2 different receptacles and cables (see fig. 7.1), each is
marked. Please mount your own local plug, rated for 30 Amps on it. Notice, the yellow/green cable is the ground (never
attach this to a phase); grey, brown and black are phases, (see fig. 7.2 two phases and 7.3 three phases)
Figure 7.1
Figure 7.3
Figure 7.2
