Proceq DIGI-SCHMIDT 2000 ND Operating Instructions Manual page 16

• Pull the hammer mass (14) off the hammer guide bar
together with the impact spring (16) and sleeve (17).
• Remove the felt ring (18) from the cap (9).
6.4.2 Cleaning
• Lay all parts except for the housing (3) in kerosene and
clean them using a brush.
• Use a round brush (copper bristles) to clean the hole in
the impact plunger (1) and the hammer mass (14)
thoroughly.
• Let the fluid drip off the parts and then rub them dry
with a clean, dry cloth.
• Use a clean, dry cloth to clean the inside and outside
of the housing (3).
6.4.3 Assembly
• Before assembling the hammer guide bar (7), lubricate
it slightly with a low viscosity oil (one or two drops is
ample; viscosity ISO 22, e.g. Shell Tellus Oil 22).
• Insert a new felt ring (18) into the cap (9).
• Apply a small amount of grease to the screw head of
the screw (20).
• Slide the hammer guide bar (7) through the hammer
mass (14).
• Insert the retaining spring (15) into the hole in the
impact plunger (1).
• Slide the hammer guide bar (7) into the hole in the
impact plunger (1) and push it further in until noticeable
resistance is encountered.
© 2001 PROCEQ SA
Prior to and during installation of the system
into the housing (3), make sure that the
hammer mass (14) does not get held by the
pawl (13).
Hint: Press the pawl (13) briefly.
• Install the system into the housing (3).
• Insert the compression spring (12) and screw the rear
rear cover (11) into the housing (3).
• Insert the two-part ring (10) into the groove in the
sleeve (17) and screw on the cap (9).
• Carry out a performance check.
Send in the device for repair if the mainte-
nance you perform does not result in correct
function and of the calibration values specified
on the testing anvil are not achieved.
Maintenance and Care 15