General Pump MK Repair Manual - Manual (Page 43)

GENERAL PUMP
A member of the Interpump Group
MK SERIES
Page 43
3. SCREW CALIBRATION
Screws are to be fastened exclusively using a torque wrench.
Description
Exploded View
Position
(From Owner’s Manual)
Fastening
Ft. Lbs.
Fastening
Nm
Crankcase cover screws M8x18 54 14.8 20
Crankcase plug G1/2x13 55 29.5 40
Reducer flange screw M8x18 54 14.8 20
Reducer cover screw M10x50 70 33.2 45
Ring gear stopper screw M10 x 25 65 33.2 45
Reducer case screw M12x40 75 54.2 73.5
Reducer case screw M12x50 64 54.2 73.5
Upper and lower cover screw M6x14 41 7.4 10
Bearing cover screw m12x30 90 29.5 40
Connecting rod screw M12x1.25x87 53 55.3* 75*
Plunger guide screw M10x35 50 44.3 60
Oil seal cover screw M6x14 41 7.4 10
Plunger screw M10x160 27 29.5 40
M16x55 Valve cover screw 26 245.6** 333**
Head plug G1/4”x13 13 29.5 40
Head screw M16x180 25 245.6 333
Valve opening device 2 29.5 40
* Screws should be tightened at intermediate incremental values
** Tightening sequence always cross-wise starting from the 4 internal screws then the 4
external screws (see fig. 108)