WAGNER PROSPRAY 20, Service Manual

3

ProSpray 20

GB

Contents

1 

GENERAL SAFETY INSTRUCTIONS ____________ 4

2 

SAFETY REGULATIONS FOR AIRLESS SPRAYING  5

3 

TECHNICAL DATA ___________________________ 8

4 

REPAIRS AT THE UNIT _______________________ 8

4.1 

Relief valve __________________________________8

4.2 

Inlet and outlet valve __________________________9

4.3 Packings___________________________________ 10
4.4 

Replacing the motor  ________________________ 11

4.5 

Carbon brushes in motor  
(motor brush kit p/n 704-276) _________________ 11

4.6 

Replacing the gears _________________________ 12

4.7 

Replacing the transducer  _____________________ 12

5 

SPARE PARTS ______________________________ 14

5.1 

Main assembly ______________________________ 14

5.2 

Fluid section ________________________________ 16

5.3 

Drive assembly _____________________________ 18

5.4 

Motor assembly _____________________________ 19

5.5 

Stand assembly _____________________________ 20

5.6 

Suction system _____________________________ 21

ELECTRICAL REPAIR INSTRUCTIONS

1 

BASIC PRINCIPLES  _________________________ 22

1.1 

Electrically instructed person __________________ 22

1.2 

Skilled electrician for defined tasks _____________ 22

1.3 

Legal foundations ___________________________ 22

1.4 

Which tests must be performed ________________ 22

1.5 

Five safety rules _____________________________ 23

1.6 

Categorisation of protection classes ____________ 24

1.7 

Explanation of electric variables and components _ 25

1.8 

Explanation of electrical terms _________________ 25

2 

FUNCTIONAL TEST WORK INSTRUCTIONS ____ 27

2.1 

Functional test of cord set ____________________ 27

2.2 

Functional test of capacitor ___________________ 27

2.3 

Functional test of switches/buttons _____________ 28

2.4 

Functional test of earthing contact socket _______ 28

2.5 

Functional test of the motor overcurrent protection 
switch ____________________________________ 28

2.6 

Functional test of the threephase motor _________ 29

2.7 

Functional test of AC motor ___________________ 29

3 

REPAIR WORK INSTRUCTIONS _______________ 29

3.1 

Replacing a cord set  _________________________ 29

3.2 

Replacing a 400 V cord set ____________________ 30

3.3 

Replacing the capacitor ______________________ 30

3.4 

Replacing switches/buttons ___________________ 30

3.5 

Replacing the earthing contact socket __________ 31

3.6 

Replacing the motor protecting switch __________ 31

3.7 

Replacing the threephase motor _______________ 31

3.8 

Replacing the AC motor ______________________ 32

4 

MACHINE-SPECIFIC DOCUMENTS ____________ 33

4.1 

Connection diagram PROSPRAY 20  _____________ 33