Maintenance
Step 9
Loosen and remove t he locking bolts. Identify them according to
“Bolt configuration” on page 20.
Note!
Brush the threads of the tightening bolts with a stee l wire
brush and then grease the t hreads before loosening the
tigthening bolts.
Step 10
Use the tightening bolts to open the heat exchanger. During
the opening procedure keep t he frame p late and pr essure plate
parallel. Skewing of the pressure plate during opening must not
excee d 10 mm ( 2 turns per bolt) across the wid th and 25 mm (5
turns pe r bolt) vertically.
Loosen the four tightening bolts (1), (2), (3), (4) diagona lly until
the plate pack A measure is 1.05 making sure that the frame
pl ate and pres sure plate a re parallel while opening. Continue
al ternating between each bolt until all r eaction forces of the plate
pack have disappe ared. Then remove the bolts.
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