GENERAL PUMP
A member of the Interpump Group
Page 7
EV SERIES
- Fasten the caps to their respective con-rod shanks by means of M8x35 screws (Fig. 10) lubricating
both the underhead and the threaded shank, proceeding in two different stages:
1. Manually turn the screws until they begin to tighten
2. Tightening torque: 4.5 ft lbs. (20 Nm)
Alternatively, ensure:
1. Pre-tightening torque: 2.25 ft lbs. (10 Nm)
2. Tightening torque: 4.5 ft bs. (20 Nm)
- Fasten the caps to their respective con-rod shanks by means of M8x35 screws (Fig. 10) lubricating
both the underhead and the threaded shank, proceeding in two different stages:
Fig. 9
Fig. 10
- After having completed tightening operations, check that the con-rod head has a side clearance in
both directions.
- Insert the new piston guide seal rings as far as possible into the relative seat on the pump casing
(Fig. 11), following the procedure described:
use tools code 25027100 and code 27936600 composed of a tapered bush and a buffer. Screw the
tapered bush into the hole in the piston guide (Fig. 11/a), insert the new seal ring on the buffer as far
as it will go (determined by the height of the buffer) into its seat on the pump casing (Fig. 11/b),
remove the tapered bush (Fig. 11/c).
Ref 301038 Rev. A
07-20
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