Yamato RH 920/26 Manual De Instrucciones página 9

cod. 99849 - mod. RH 920/26
OPERATING INSTRUCTIONS
Fitting tools
Attention ! : This machine use an SDS-PLUS fastening sleeve. Use only this kind of drill bits
• Clean the SDS-Plus drill bit and grease with a thin layer of machine grease before fitting.
• Pull back the fastening sleeve (2).
• Insert the drill bit into the fastening sleeve, rotating the tool until it reach the bottom.
• Release the fastening tool. The tool will lock automatically.
• Check that it has locked by pulling the tool.
Changing the SDS-Plus tool
• Pull back the fastening sleeve (2).
• Hold and remove the drill bit.
• Release the fastening tool.
Operating switch
ON : Press the switch button (8), the switch lock button (5) is locked.
OFF: Press the switch button (8) and release it.
Rate control
The hammer uses an electronic speed control switch to increase or decrease the drilling rate by
operating the switch (8), You can change the speed at any work time.
You can also adjust the rate by turning the switch "+", "-". (7)
Choose Functions
The machine has four functions to choose from, through the knob (4) can be achieved function
conversion.
Special Note: The function conversion must be switched in the fully disabled state, otherwise the
parts in the machine will be damaged
Drilling on the wood/steel Drilling on the concrete/wall brick
Chiseling on the concrete Flat Chisel (Angle Adjustable)
Auxiliary Handle (10) / Drilling Depth Stop (3)
Be sure to use the auxiliary handle (10) when operating the unit, and must hold the unit with both
hands. Depth gauge (3) can easily adjust the drilling depth.