Friabilimeter
operating instructions
Page 38 of 48
Revision 7
© 2016 – Pfeuffer GmbH
Item Designation
Item Designation
1
Chain sprocket
6
Shim Ø 6 x 0.3 mm
2
Shim Ø 6 x 0.3 mm
7
Sliding pin (grub screw, brass)
3
Front plate
A
Gap about 0.2 mm
4
Bearing tube
B
Right drive roll
gap about 0.3 to 0.5 mm
Left drive roll
gap about 0.8 mm
5
Drive roll, rubber coated
C
Gap about 0.3 to 0.5 mm
Figure 40: Sliding pins
Three sliding plates are attached to the front plate.
These prevent the sieve drum from rubbing against the
front plate.
They project by a distance (C) of about 0.3 to 0.5 mm,
see
Figure 39.
Check this dimension and adjust it if required using
a 10 mm hexagon wrench and a flat-blade screw-
driver.
Figure 41: Positions of the sliding pins on the back of
the front plate
Connect the motor plug.
Attach the front plate using the four countersinking
screws. Pay attention to the correct installation
position of the two upper serrated washers, see
Figure 31.
Screw the pull handle in firmly.
Insert the sieve drum and put on the front hood.
After renewal of the drive rolls, check the device
setting with test malt. It may be necessary to adjust
the settings, see
chapters 8.5
and
Make a note of the renewal, the calibration and the
subsequent check with test malt in a test log (see
master copy on last page).
9.5.2
Renewing the timer
Only renew the timer if it is faulty.
Before you start work, pay attention to the instructions in
chapter 9.5.
Disconnect the mains cable from the electrical power supply, or pull out the
coupler.
Take off the front hood and the sieve drum.
Drill out the rivets behind the filling funnel.
Engage the pull handle in the bottom position.
Unscrew the pull handle using an Allen key (4 mm).
Unscrew the four outer countersinking screws (M4) with a Phillips screwdriver.
Pay attention to the installation position of the two upper serrated washers.
Old sliding pin
New sliding pin
