31
en
OPTIONS
FFB Brake Motors Maintenance Guide
5287 en - 2015.04 / a
6.5 - Standard encoder
(incremental, absolute)
- Exploded view
1401
0159
1403
0007
1404 0009
0013
0027
0299
1801
1800
1800
1402
- Parts list
Item
Description
Qty
Item
Description
Qty
7
Fan
1
1401
Extension
1
9
Locking circlips (item 7)
1
1402
VLS seal
1
13
Ventilation cover
1
1403
Fan adapter socket
1
27
Cover fixing screw (item 13)
3 or 4
1404
Socket fixing screw
1
159
Encoder
1
1800
Spacer
1 or 2
299
Fixing screw
2
1801
Anti-rotation spacer extension
0 or 1
• Disassembly, Replacement:
- Disconnect the encoder (connector fastened to the body of
the terminal box).
- Unscrew the screws
27
from the cover, remove the metal
cover
13
.
- Unscrew the screw
1404
and remove the fan with its socket
1403
and the circlips
9
.
- Unscrew the screw
299
, unscrew the encoder hooping ring
(radial screw) from the extension
1401
; remove the encoder.
- Remove the VLS seal
1402
. Remove the extension shaft
1401
; dismount hexagonal spacer
1800
and anti rotation
spacer extension
1801
.
• Reassembly:
Proceed the other way round of disassembly.
- Fit the extension lead
1401
and tighten to the following
torque: FFB1: 2.9 Nm; FFB2 to 5: 5.75 Nm, ±10%. Replace
the spacer
1800
tightened to the torque of 5.75 Nm. Check
the beating ≤ 0,05 mm. Replace the spacer extension
1801
and tighten to the torque of 5.75 Nm ±10% for FFB1 up to 5.
- Fit the (new) encoder on the shaft extension
1401
.
- Block the encoder by screwing to the torque of 0.8 Nm ±10%
the screw
299
on the spacer extension
1801
.
- Tighten the encoder fixing screw to the torque, according to
supplier instruction (Heidenhain: 1.1 Nm ±0,1 N.m; Hengstler:
0.6 Nm ±5%; Ideacod: 1.5 Nm ±10%).
- Fit the fan adapter socket
1403
, screw
1404
to the torque of
3 Nm ±10%. Insert the fan
7
on the socket
1403
then block on
the axis with fan lock washer
9
.
After intervention, always close the cover(s) of
terminal boxes and the caps.
Summary of Contents for Leroy-Somer FFB Series
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