83
Thermo Fisher Scientific
Operation Manual HM550
• Press button (fig. 85.1) until the operating mode single stroke
SINGLE is shown on the display.
• Press the two start buttons (fig. 85.3 and 85.4) or the foot pedal
once to release a single cutting cycle.
• e movement stops in the lower reversal point.
• Press button (fig. 85.1) until the operating mode interval stroke
INTERV is shown on the display.
• e cutting drive only moves as long as the two start buttons
(fig. 85.3 and 85.4) or the foot pedal are being pressed.
Single stroke
Interval stroke
Setting the cutting speed
Start and stop of the
cutting drive
Start
• e desired cutting speed is set on the operating knob (fig. 86.2).
Note:
To save time, the return travel speed is enhanced in relation to the cutting
speed, especially for slow cutting speeds.
• Press the two buttons (fig. 86.3 and 86.4) of the safety switch either
at the same time or briefly one after the other.
• As an option, the motorized cutting drive can also be started via the
foot pedal.
• e LED in button (fig. 86.3) lights up while the motorized cutting
drive is active.
Note:
To start the motorized cutting drive, the functions handwheel brake and
emergency stop must not be activated.
e course function of the cutting drive results from the selected cut-
ting window, the selected operating mode and the set cutting speed.
• Press one of the two buttons (fig. 86.3 or 86.4) or
• press the foot pedal.
• e LED (fig. 86.3) goes off.
Stop in operating mode
continuous stroke
Operating instructions
Option M – motorized cutting drive
