Grob Grob Bandsaw RWA Blade Welder w/ Stand Instruction Guides

Instructions for Installing Grinder Motor
in Grob RWA Butt Welder

Single Voltage
220v Use 220v Grinder Motor
440v Use 110v Grinder Motor
Dual Voltage
230/460v Use 110v Grinder Motor

NOTE:

Grinder
Motor
Switch

Push­Button

Grinder Motor

21 23 24 25

23

21

Internal
Terminal
Block

To Remove Welder From Machine, Disconnect Line Wires
and One Ground From Switch Box

1) Remove 4 Screws

Motor MUST Be
Same Voltage
As Line,
110v. or 220v.

27 28

26

Use No.24 From Serial No.17654 to Present

29 30 31

2) Pull Welder Out of Machine
Lay on Back and Remove
4 Screws

32

33 34 35 36

37

38 39

40

3) Lift Welder Out of Box.
Stand on End With
T-Handle Up.

4) Welder Now Ready For Easy
Installation of Grinder, Etc.

CAUTION
Handle Welder With Care
Do NOT Drop

Instructions for Installing Grinder Motor
in Grob RWA Butt Welder

Single Voltage
220v Use 220v Grinder Motor

NOTE:
Motor MUST Be

Grinder Motor

Grinder Motor
Switch

Same Voltage
As Line,

Grinder Motor
Switch

220v.

Welder Relay

To Remove Welder From Machine, Disconnect Two Line Wires
and One Ground From Switch Box

1) Remove 4 Screws

2) Pull Welder Out of Machine
Lay on Back and Remove
4 Screws

3) Lift Welder Out of Box.
Stand on End With
T-Handle Up.

4) Welder Now Ready For Easy
Installation of Grinder, Etc.

CAUTION
Handle Welder With Care
Do NOT Drop

Item

Number

Document Number Title Quantity

56

65

39

3

57

47

1 BW-247-C Front Plate 1
2 BW-114-C Butt Welder Box 1
3 BW-223-A Limit Switch Assembly 1
4 BW-207-C Transformer End Plate & Brkt. Ass. 1
5 BW-214-A Nameplate 1
6 BW-118-A Lamination 280
7 BW-246-A Limit Switch Spacer 2
8 #1770 Knob Lower Clamp Shaft Knob 1
9 BW-12C-A Saw Band Gage 1

10 #243 Switch Oak Heat Switch 1

11 1930-C1 Heat Switch Knob 1

12 BW-127-A Lower Clamp Shaft 1

41

55

7

13

13 BW-64-1-C Secondary Coil 1
14 Primary Coil Primary Coil 1
15 BW-298-A Heat Switch Clamp Nut 1
16 BW-206-C End Plate 1
17 BW-211-B Stationary Jaw 1
18 BW-52-A Upper Clamp Bolt Insulator 2
19 BW-48-A Upper Clamp Insulator 2

20 BW-198-A 1/4 x 5/8 Flat Washer 2

21 BW-18-A Transformer Coil Clamp Plate 2
22 BW-232-Sta-A Clamp Insert Holder, Stationary Jaw 1
23 BW-230-Upper-A Clamp Jaw 2
24 BW-230-Lower-A Clamp Jaw 2
25 BW-252-A Clamp Lever Plate 4

DETAIL E

2

16

42

49 50 54

6

4

53

13

60

21

67

61

68

62

1

6340

128

31 32

33

41

E

48

18

20

19

53

26 BW-203-A Band Saw Plate Gage Washer 2
27 BW-155R-A Clamp Lever Pin 2
28 BW-295-A Welding Switch Assembly 1
29 BW-154-AA Clamp Lever 2
30 BW-228-A Clamp Insert Holder Spring Clip 2

31 BW-28-A Lower Clamp Shaft Bearing 1
32 BW-54-A Clamp Shaft Bearing 2
33 BW-212-A Movable Jaw 1
34 BW-232-Movable-A Clamp Insert Holder, Movable Jaw 1
35 BW-12D-A Saw Band Gage 1
36 BW-10-A Lower Clamp Guide Slide 2
37 BW-11-A Lower Clamp Guide Block 1

26

23

24

25

27

64

66

38 7321 K3 7321 K3 Switch 1
39 BW-266-A Clamp Adj. Disc Rod 1
40 BW-267-A Clamp Adj. Disc Rod Pivot 1

41 5100-25 Retaining Ring 1
42 BW-53-A Clamp Compression Spring 1
43 BW-172-A Grind Wheel Guard (Outside) 1
44 BW-40-A Grind Wheel Guard (Inside) 1
45 CUA6010B Grinder Motor 1
46 BW-165-A Grinding Instructions Decal 1
47 #700-HG47A1 Control Relay (SEE NOTE) 1
48 BW-215-A Nameplate for Spring Tension 1
49 BW-255-A Clamp Adj. Handwheel Plate Holder 1
50 BW-253-A Clamp Adj. Handwheel Plate 2

17

29

69

37

36

5

51

68

43

44

51 BW-257-A Clamp Adj. Handwheel Tension Spring 1
52 Grinding Wheel 2 1/2 x 3/8 x 5/16 Bore 1
53 BW-23-A Clamp Adj. Handwheel Indicator 1
54 BW-250-A Clamp Adj. Handwheel Pin 1
55 BW-258-A Clamp Adj. Handwheel Disc 1
56 BW-254-A Clamp Adj. Handwheel Plate Cover 1
57 BW-303-A Relay Mounting Plate 1
58 BW-181-A Grinding Wheel Spacer 1
59 BW-139-A Grinding Wheel Flange 1
60 BW-249-A Clamp Adj. Handwheel Stud 1

61 BW-22-A Clamp Adj. Handwheel Pin Brg. 1
62 BW-20-A Clamp Adj. Handwheel Pin 1
63 1/8 x 3/4 Spring Pin Slotted Spring Pin 1

14

30

15

64 BW-269-A Clamp Adj. Disc Nut 1
65 BW-268-A Clamp Adj. Disc Rod Bushing 1

119

10

22

28

23

38

34

252525

24

35

46

59

66 BW-263-A Clamp Adj. Handwheel Pin 1
67 BW-234-A Clamp Guide Pin 2
68 BW-264-A Brake Latch Pin 1
69 BW-9-A Lower Clamp Guide 1

NOTE:

Allen Bradley No.

700-HG-47A1 Use on All But 220 Volt

52

Single Voltage Welders.

700-HG-47A2 Use on 220 Volt Welders.

Primary Coil List

Drawing No.

Voltage

BW-98-A 110v.
BW-99-A 220v.

58

Dual Voltage Models Use GBS-2 Curtis

Terminal Block instead of

700-HG-47A1 or 700-HG-47A2.

45

BW-248-C Bench Model Box

BW-300-A 220v./440v.

BW-137-A 460v.
BW-297-A 575v.

Carbon Steel Welders Only.

GR

GROB

GRGR

OB IIIINC

OBOB

NC....

NCNC

GRAFTON, WIS.

RWA-1 Butt Welder Assembly

DRN.

DATE

KS

1-22-02

TR.

SCALE

1:1

CH.

O.K.

Rev 1

BW-304-D

DWG. NO.