eschmann T20-a - Minor Base Component Replacements; Pedal Catch Block and Anti-skid Pads

T-SM47j P29/54
T20-a
OPERATION TABLE
6.3.7 Castor pillar bushes
To replace the castor pillar bushes if worn, refer to Fig. 6.2a
or 6.2b as applicable and proceed as follows:
i Remove the applicable castor plate assembly as
detailed in section 6.3.5.1 parts i-vi for castor
replacement, noting part orientation.
ii Carefully tap out both headed bushes (always
change as a pair) from the castor plate and replace
with new bushes.
iii Reassemble as detailed in section 6.3.5.1 using the
grease and threadlock as specified.
iv Replace covers as 6.2.2.2 and check table base
function.
6.3.8 Pedal spindle bushes
To replace the pedal spindle bushes if worn, refer to
Fig. 6.2a or 6.2b as applicable and proceed as follows:
i Before removing parts note the orientation of the
bushes in the pedal anchor blocks.
ii Remove the applicable pedal spindle and lifting
wheel assembly as detailed in section 6.3.5.1
parts i-vi for castor replacement and then remove
the remaining anchor block as well.
iii Carefully tap out headed bushes from all applicable
pedal anchor blocks and replace with new bushes
(two anchor blocks head end, three anchor blocks
leg end) always replace bushes as a spindle set.
iv Replace the rear pedal anchor block and then
reassemble as detailed in section 6.3.5.1 using
grease and threadlock as specified, taking care to
replace pedal anchor blocks in the correct
orientation.
v Replace covers as 6.2.2.2 and check table base
function.
6.3.9 Lifting roller assembly
To replace the lifting wheel bearings if worn, refer to
Fig. 6.2a or 6.2b as applicable and proceed as follows:
i Remove the applicable damper angle bracket from
the table base plate as detailed in section 6.3.3 parts
i-iii for pedal damper replacement.
ii Swing the lifting roller assembly and spindle clear
of the pedal anchor blocks to enable removal of the
lifting roller spindle.
iii Replace the complete lifting roller assembly
(includes bearings) and reassemble, do not forget
to refit the M10 washers at each end of the roller
assembly.
iv Reassemble as detailed in section 6.3.3 using the
grease and threadlock as specified.
v Replace covers as section 6.2.2.2 and check all
base functions for correct operation.
6.3.10 Pedal catch block
To replace or adjust the pedal catch block (not fitted to
tables with internal catch) if worn or damaged, place the
table on a flat floor surface, refer to Fig. 6.2a and proceed
as follows:
i Remove the applicable base cover as detailed in
section 6.2.2.1.
ii If replacing the pedal catch block remove the two
securing screws and replace with a new one using
threadlock (part number 670650) on the screws and
adjust as below.
iii To adjust the pedal catch block tighten (or loosen)
the fixing screws so that the block just moves.
Ensure the other pedal is in the raised position.
Replace the pedal and push it down as far as it will
go and move it towards the base. Slide the catch
block towards the pedal until it just touches the top
of the pedal arm. Tighten the catch block screws
and check pedal operation.
iv Raise the pedal and remove it from the table.
v Replace covers as section 6.2.2.2 and check all
base functions for correct operation.
6.3.11 Pedal anti-skid pads
To replace the pedal anti-skid pads when worn or
contaminated with foreign matter, simply remove the old
ones, clean the location recess thoroughly, remove the
release paper from self-adhesive backing and adhere the
new ones firmly in place. Note that the pads come as a
pair and are left and right handed.
6.3.12 Pedal catch pawl and spring
To replace the pedal catch pawl or spring (only fitted to
tables with internal pedal catch) if they are worn or
damaged, refer to Fig. 6.2b and proceed as follows:
i Remove the applicable base cover as detailed in
section 6.2.2.1.
ii Remove the two screws securing the pedal catch
pawl assembly and remove the assembly from the
table. To replace the spring simply remove the old
one and replace with a new one. To replace the catch
pawl remove one starlock washer and remove the
pawl spindle. Assemble using a new catch pawl and
new starlock washer.
iii Check catch pawl rotates freely and reassemble the
pedal catch pawl assembly to the table and check
pedal operation.
iv Replace covers as section 6.2.2.2 and check all
base functions for correct operation.