COPYRIGHT © 2020 SANDVIK MINING AND CONSTRUCTION OY
Page 42 - Lubrication
Carrier hydraulic oil
255E
OIL SPECIFICATIONS
Table below shows hydraulic oils recommended for hammer use. The most suitable
oil is selected in such a way that the temperature of the hydraulic oil in continuous
use is in the ideal area on the chart and the hydraulic system is used to best
advantage.
Problems due to incorrect hydraulic oil viscosity in the hammer:
Oil too thick
■
Difficult start up
■
Stiff operation
■
Hammer strikes slowly
■
Danger of cavitation in pumps and in the hydraulic hammer
■
Sticky valves
■
Filter bypass opens, impurities in the oil are not removed
Summary of Contents for 255E
Page 1: ...Original instructions 8 20 OPERATOR S MANUAL OM255EENG 820 HYDRAULIC HAMMER RAMMER 255E...
Page 3: ...Operation Page 3 COPYRIGHT 2020 SANDVIK MINING AND CONSTRUCTION OY 255E OPERATION...
Page 37: ...Lubrication Page 37 COPYRIGHT 2020 SANDVIK MINING AND CONSTRUCTION OY 255E LUBRICATION...
Page 47: ...Maintenance Page 47 COPYRIGHT 2020 SANDVIK MINING AND CONSTRUCTION OY 255E MAINTENANCE...
Page 59: ...Specifications Page 59 COPYRIGHT 2020 SANDVIK MINING AND CONSTRUCTION OY 255E SPECIFICATIONS...
Page 67: ...Page 67 COPYRIGHT 2020 SANDVIK MINING AND CONSTRUCTION OY...