Service Manual HS60 - 第120页

4 G ant ri es HS- 6 0 S erv ice Ma nu al 4. 11 R epl ac in g t he X-a xi s m oto r u ni t (0 03 33 167- 03) 03/ 200 3 US I ssue 118 4.1 1 Replacing the X-axis motor unit (0 0333167-03 ) 4.1 1.1 T o ols a n d equ ipment –…

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HS-60 Service Manual 4 Gantries
03/2003 US Issue 4.10 Replacing the X-axis toothed belt (00331076-02)
117
4.10.5 Settings
Æ Push the head mount (item 1 in Fig. 4.10 - 2) towards the X-axis motor unit as far as the stop
on the elastomeric spring.
Æ Turn the hexagon socket-head screw (item 5 in Fig. 4.10 - 2) to set the belt tension to
53 Hz + 1/-3 Hz.
CAUTION 4
Do not overstretch the toothed belt when adjusting the belt tension. 4
Æ Secure the hexagon socket-head screw (item 5 in Fig. 4.10 - 2) with the locknut.
4 Gantries HS-60 Service Manual
4.11 Replacing the X-axis motor unit (00333167-03) 03/2003 US Issue
118
4.11 Replacing the X-axis motor unit (00333167-03)
4.11.1 Tools and equipment
– Set of DIN 911 Allen keys
–Cable ties
– TSM belt tension measuring device, from item number 00326015-01
– "Measuring belt tensions" operating instructions
4.11.2 Parts
X-axis motor unit, from item number 00333167-03 4
4.11.3 Removing the X-axis motor unit
Æ Switch the placement system off and secure it to prevent switching on again as described in
Section 4.4
, page 100 onward.
DANGER POWERFUL MAGNETIC FIELD 4
Always follow the special safety instructions when working in the vicinity of powerful magnetic
fields (see Section 4.5, page 101). 4
Gantry 1 or 3 4
Æ Remove the black cover strip on the cross-beam above the gantry concerned:
– Remove the fan cable from the socket. The fan is fixed to the black cover strip.
– Remove the black cover strip (3 M6x8 hexagon socket-head screws).
Æ Cut the cable ties holding the X-axis motor cable.
Æ Remove the cable clamp for the flat ribbon cable (item 11 in Fig. 4.11 - 1)
Æ Unplug all the plugs from the X/Y distributor (item 5 in Fig. 4.11 - 1).
Æ Remove the X/Y distributor (item 5 in Fig. 4.11 - 1).
Æ Remove the board holder for the X/Y distributor (item 9 in Fig. 4.11 - 1).
Æ Remove the cable holder (item 10 in Fig. 4.11 - 1) for the trailing cable.
HS-60 Service Manual 4 Gantries
03/2003 US Issue 4.11 Replacing the X-axis motor unit (00333167-03)
119
Æ To slacken the toothed belt (item 3 in Fig. 4.11 - 1)
– loosen the locknut (item 8 in Fig. 4.11 - 1
) and
– turn the hexagon socket-head screw counter-clockwise (item 2 in Fig. 4.11 - 1
).
Æ Loosen the two M6x14 socket head screws (item 7 in Fig. 4.11 - 1) for clamping the X-axis mo-
tor unit (item 4 in Fig. 4.11 - 1
).
Æ Pull the X-axis motor unit (item 4 in Fig. 4.11 - 1) up and out, at the same time pushing the
board holder slightly to the side.
4
Gantry 2 or 4 4
Æ Remove the black cover strip on the cross-beam above the gantry concerned:
– Remove the fan cable from the socket. The fan is fixed to the black cover strip.
– Remove the black cover strip (3 M6x8 hexagon socket-head screws).
Æ Cut the cable ties holding the X-axis motor cable.
Æ Remove the cable clamp for the flat ribbon cable (item 11 in Fig. 4.11 - 1)
Æ Unplug the X-motor plug from the X/Y distributor (item 5 in Fig. 4.11 - 1).
Æ Remove the board holder for the X/Y distributor (item 9 in Fig. 4.11 - 1).
Æ Remove the cable holder (item 10 in Fig. 4.11 - 1) for the trailing cable.
Æ To slacken the toothed belt (item 3 in Fig. 4.11 - 1)
– loosen the locknut (item 8 in Fig. 4.11 - 1
) and
– turn the hexagon socket-head screw counter-clockwise (item 2 in Fig. 4.11 - 1
).
Æ Loosen the two M6x14 socket head screws (item 7 in Fig. 4.11 - 1) for clamping the X-axis mo-
tor unit (item 4 in Fig. 4.11 - 1
).
Æ Pull the X-axis motor unit (item 4 in Fig. 4.11 - 1) up and out, at the same time pushing the
board holder slightly to the side.