SPP Pumps AC50-75 Workshop Manual
Autoprime Parts Book
AC50 & AC75 Pump Sets
Manual No./ Part / Rev
W72-004E / 1 / 9
AC50 and AC75
Pump Sets
Unit assembly numbers:- Hand Start, Vacuum pressure seal SY3861012
Electric Start, Vacuum pressure seal 13813
Options for mechanically sealed pumps are also included
CONTENTS
1. MATCHING PIECE, VOLUTE & SHAFT ASSEMBLY ................................... 2
1.1 VACUUM PRESSURE SEAL..........................................................2
1.2 MECHANICAL SEAL......................................................................3
2. PRIMING EQUIPMENT & REFLUX BOX.....................................................4
3. VACUUM PUMP & DRI VE......................................................................... 5
3.1 VACUUM PUMP & OILER ..............................................................6
4. CHASSIS & FUEL TANK...........................................................................7
5. ENGINE....................................................................................................7
6. BATTERY & FITTINGS - (ELECTRIC START ONLY) ...................................8
7. BAUER FITTINGS.....................................................................................8
7.1 TWO INCH FITTINGS .....................................................................8
7.2 THREE INCH FITTINGS.................................................................. 8
8. LABELS & TRANSFERS........................................................................... 9
9. OPTIONAL EXTRAS................................................................................. 9
10. WIRING DIAGRAM .................................................................................9
Produced by SPP Pumps Limited Coleford England Revision No 9 on Rev Note No 34842 on 03-11-06
Our policy is one of continuous improvement and we reserve the right to alter specifications at any time
Page 1 of 10
Manual No./ Part / Rev
W72-004E / 1 / 9
Autoprime Parts Book
AC50 & AC75 Pump Sets
1. MATCHING PIECE, VOLUTE & SHAFT ASSEMBLY
1.1 VACUUM PRESSURE SEAL
ITEM
7 Stub shaft SY3864009 1
8 End cap SY3874017 1
9 Packing carrier SY3864109 1
10 Sleeve SY3864011 1
11 O ring SY3804166 1
12 Compression spring SY3804160 1
13 Gasket SY5004410 1
14 Shim pack SY3864013 1
15 Screw: M8 x 20 SY9519097 1
16 Washer: spring M8 SY9509806 5
17 Screw: M8 x 45 SY9519103 4
18 Gland packing 12614 205mm
19 Impeller assembly SY3864044 1
19A Wear ring SY3864014 1
22 Stud: M10 x 25 SY9509087 9
23 Washer: M10 SY9509679 1
24 Nut: M10 SY9509653 9
27 Volute SY3864001 1
35 Gasket SY5004425 5
42 Washer: M6 SY9509676 1
DESCRIPTION PART No QTY
ITEM
45 Washer: M8 SY9509678 4
56 Screw SY3874045 1
63 Lifter bracket SY3864030 1
68 Guard: flywheel SY3864035 4
82 Cock: drain SY9209431 1
84 Nut: 3/8"UNC SY9019425 8
86 Washer: spring 3/8" SY9019373 8
93 Screw: M10 x 20 SY9519117 1
114 Washer: spring M6 SY9509805 1
116 Washer: spring M10 SY9509807 10
130H Stud: 3/8UNC x 1 ¾” 21713-325-224-8 8
130E Stud: 3/8UNC x 3” 21713-336-224-0 8
131 Gasket SY5004432 1
143H Support brkt-lifter SY3864099 1
143E Support brkt-lifter 09762 1
152 Spring gaitor SY3804412 1
Suffixes: H = Hand start
E = Electric start
DESCRIPTION PART No QTY
Our policy is one of continuous improvement and we reserve the right to alter specifications at any time
Page 2 of 10
1.2 MECHANICAL SEAL
Autoprime Parts Book
AC50 & AC75 Pump Sets
Manual No./ Part / Rev
W72-004E / 1 / 9
ITEM
6 Matching piece SY3864110 1
7 Stub shaft SY3864009 1
8 Housing: m/seal 15486.524 1
9 Nipple: ½”BSP/T 15579 1
10 Hose tail: ½”BSP x
11 Seal: Mech. 45mm 13763 2
12 Sleeve: shaft-m/seal 15363.347 1
13 Gasket 15359 1
14 Shim pack SY3864013 1
15 Screw: M8 x 20 SY9519097 1
16 Washer: spring M8 SY9509806 5
17 Screw: skt cap M8 x
18 O ring: 25 I/D x 3mm 15413 2
19 Impeller 15434 1
19A Sleeve: impeller
22 Stud: M10 x 25 SY9509087 9
23 Washer: M10 SY9509679 1
DESCRIPTION PART No QTY
12149 1
19mm
21835-144-977-2 4
50
15349.221 1
m/seal
ITEM
24 Nut: M10 SY9509653 9
27 Volute SY3864001 1
35 Gasket SY5004425 5
42 Plate: primary m/seal 15360.347 1
44 Nut: M8 SY9509652 1
45 O ring: 100 I/D x 3mm 15414 1
56 Circlip: int. 100mm 15415 1
63 Lifter bracket SY3864030 1
68 Guard: flywheel SY3864035 4
82 Cock: drain SY9209431 1
84 Nut: 3/8"UNC SY9019425 8
86 Washer: spring 3/8" SY9019373 8
93 Screw: M10 x 20 SY9519117 1
116 Washer: spring M10 SY9509807 10
130H Stud: 3/8UNC x 1 ¾” 21713-325-224-8 8
130E Stud: 3/8UNC x 3” 21713-336-224-0 8
131 Gasket SY5004432 1
143 Support brkt-lifter 09762 1
DESCRIPTION PART No QTY
Our policy is one of continuous improvement and we reserve the right to alter specifications at any time
Page 3 of 10
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