Maintenance and repair 67/84
3 842 564 989/2022-06, MIT: HQ 2/G-H, BS 2/G-250,
Bosch Rexroth AG
Fig. 43:
M
D
=2,5 Nm
T.R.
17
15
X
16
12
13
11
17
17
14
SW3
1,6
1,3
564 988-67
16
M
D
=18 Nm
SW4
4x
HQ 2/G-H, BS 2/G-250
Assembling and tensioning the duplex chain (using the HQ 2/G-H example)
11.
Slide the chain from
the chain tensioner
along the return level
up to the drive head.
12.
Guide the chain up and
around the drive gear.
13.
Guide the other end of
the chain to the drive
head.
14.
Close the chain.
15.
Loosen the chain
tensioner. To tension
the chin, pull the chain
tensioner as far back
as possible and fasten
it in place.
16.
Install the covers
on the drive heads.
17.
Install the cover
sheets on the chain
tensioners.
EN
GLISH