General Pump KS Repair Manual - Manual (Page 4)

GENERAL PUMP
A member of the Interpump Group
KS SERIES
2.1.1 Crank mechanism disassembly
The correct sequence is the following:
Disassemble:
• The pump shaft key
• The rear cover
• The connecting rod cap
• The side covers using for extraction 3 fully threaded M6x50 screws, inserting them
in the threaded holes as indicated in fig. 2.
Push the plunger guides and connecting rods forward to facilitate lateral extraction of the pump shaft. Two
marks are visible on the crankshaft (1, fig. 3 and 3a); they must be turned towards the operator in order to
facilitate extraction.
Note: To extract the plunger guide it is necessary to remove the ceramic plunger and wiper first.
Disassemble the connecting rod unit - pin - plunger guide. Proceed with disassembly of the crankshaft and
the plunger guides using standard tools.
2.1.2 Crank mechanism assembly
After cleaning the crankcase, reassemble the crankcase mechanism as follows:
Thoroughly fit the plunger guide seals into their seat on the crankcase as shown in fig 4, using the
appropriate tool, part #F27904900.
Ref 300902 Rev.A
07-12
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