Claas LEXION 480, Руководство по ремонту

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188 678.1 - RHB LEXION 480
9.5.11
Hydraulic cylinders – High-pressure hydraulic circuit
Assembling the cutterbar hydraulic cylinder
1. Insert the snap ring (3) securely into the groove of
the hydraulic ram (2).
Slide the ram (2) into the cylinder (1).
2. From serial no. …:
Insert a dual seal ring into the ring groove of the
cylinder head (7).
Up to serial no. …:
Apply some oil to the seal (8), the dirt scraper (9),
the back-up ring (5) and the O-ring (4) and insert
into the cylinder head (7).
3. Check the cylinder barrel for any burrs. Now push
the cylinder head into the cylinder barrel until it
reaches the stop and turn until the bore in the
cylinder head groove is below the slot of the
cylinder barrel.
Hang in the greased securing wire (6) with its
hook in the cylinder head bore and turn. The
securing wire is pulled into the groove.
For every assembly of the cylinder, use a new
securing wire.
4. Bolt down the complete cylinder (1 to 9) to the
spring plate (10) with two washers and a lock nut
VM 16 each.
5. Slide on the spring guide (12) and secure with
snap ring (13).
6. First slide on the compression spring (11) and
then the second spring plate (14), then bolt down
with the cheese-head screws (15) and washers.
CAUTION!
Pre-tension the compression spring only
slightly.
7. Bolt the position indicator (18) to the cylinder
flange.
(Fig. 23)
Hydraulic cylinders – High-pressure hydraulic circuit