HPP CLW 80/100 (1150 об/мин) [23/84] Special maintenance refitting the hydraulic part and pumping element

d) Check the condition of the

components and replace any

worn ones.

CAUTION

• At every disassembly operation, always replace the O-rings and grease the seals with silicone grease: degree of

penetration according to ASTM 265-295 standard.

SPECIAL MAINTENANCE – REFITTING THE HYDRAULIC PART AND PUMPING ELEMENT

To ret the parts, perform the operations described in the two previous paragraphs in the opposite sequence.

CAUTION

• All tightening operations must be performed using a special torque wrench, in accordance with the following chart:

Pos. Description

Tightening torque

Nm (lb.ft)

12 Crankcase xing screw 10 (7,4)

13 Plunger xing screw 27 (19,9)

6 Head screw

40 (29,5)

→ 85 (62,7)

2 Valve cap xing screw

45 (33,2)

1 Valve cap

20 (14,8)

• Head screw tightening is done in two dierent stages, following the sequence shown in the illustration:

5 3 1 7

8 2 4 6

• Pre-tighten at 40 Nm/29,5 lb.ft, then complete the operation by tightening at 85 Nm/62,7 lb.ft.

WARRANTY

The product is covered by a 3 (three) year warranty from the date of delivery, as long as the buyer has complied with

contractual norms.

With regard to warranty acceptance procedures, refer to the general sales conditions.

b) Remove the seal supports (8)

using two screwdrivers.

c) Position the head (7) on a

clean surface and remove the

pressers and seals (9), (10) and

(11).

CL series CLW series