3
3.1 Introduction
This operating manual should be used to get the most benefit from your 390 Surface
Prep machine. Following these instructions will both extend the life of your machine
and reduce repair costs.
Please make sure you are fully familiar with the operating instructions before using
this machine.
3.2 Danger while working with the machine
The 390 Surface Prep is designed to the highest technical standards.
Incorrect use can be dangerous!
Use this machine only
- As instructed in this operating manual
- With the machine in perfect working order
Disturbances that could impair safety have to be eliminated at once.
3.3 Restriction of use
The 390 Surface Prep Machine is exclusively for wet cleaning and polishing of
resilient and textile floor coverings and for grinding pavement and leveling
compounds in dry environments. It should not be used for any other purpose. Sinclair
is not responsible for any damage or loss caused by incorrect use.
3.4 Genuine Spare Parts
Spare parts and accessories are manufactured uniquely for the 390 Surface Prep
Machine. It must be emphasized that parts obtained from unauthorized sources must
not be used.
Sinclair Equipment Company cannot be held responsible for the performance of
or any damage arising from the use of machines in which genuine spare parts have
not been used.
This is particularly important with mounting discs, disc and brushes.