Original User Manual | Pedelec Impulse 2.0 93 First steps3.1 Checking the tightening torquesCheck that all screws and important components are fas-tened securely and correctly. You will find a table with im-portant screw connections and the prescribed tighteningtorques in ➠ Chapter 30 “Technical data” of the “OriginalUser Manual | General” (CD).3.2 Fitting the pedalsIt may be that the pedals for your Pedelec have yet to befitted on delivery:The right pedal (marked with an “R”) is screwed clockwiseinto the right crank arm. The left pedal (marked with an“L”) is screwed anticlockwise into the left crank arm. Bothpedals are screwed in tightly in the direction of the frontwheel using a size 15 open-ended spanner or a suitableAllen key. The tightening torque is 40 Nm.If the pedals are not screwed in straight, thethread in the crank arm may be severely damaged.This could lead to serious accidents and injuries.3.3 Adjusting the saddle height3.3.1 Clamping screwIf a torque is specified (in Nm) on the seatpost clamp,tighten the clamping screw according to this value. If notightening torque is specified, tighten an M6 screw (dia.6 mm) and an M5 screw (dia. 5 mm) to 5.5 Nm.3.3.2 Quick-release deviceFor opening, the quick-release lever must be folded backthrough 180° – you will see the lettering “OPEN”. For clos-ing, fold the quick-release lever back in through 180° –you will see the lettering “CLOSE”.Opening the quick-release leverOPENClosing the quick-release leverCLOSEAs a rule of thumb, you can be confident that thequick-release device clamp is sufficiently secureif the quick-release lever can only be closed us-ing the heel of the hand and a certain level offorce. During the closing process, you will feelan increasing level of counterpressure from thelever, beginning when the lever is at approx. 90°.If the seatpost is not clamped firmly or securelyenough, tighten the clamping nut or turn the screwclockwise by another half a turn respectively whilethe quick-release lever is open. Close the quick-release lever and check that the saddle is securelyfastened once more.Check that all quick-release levers are fastenedcorrectly and securely before every journey andevery time you return to your bike having left itunattended for a short time.With regard to the saddle height, there is a sim-ple test procedure: Whilst sitting on the saddle,the heel of your fully-stretched leg should reachthe lowest pedal position. By contrast, the ballsof your feet should reach the centre of the pedalin the lowest pedal position with your leg bentslightly.