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15V 

Page 

of 26

When  installing  new  belts 

use 

following sequence: 

24 

NOTE 

Drive  motor  and  pump  are 

to 

allow  for  belt 

Loosen  screws  holding  pump  and 

motor 
A.  Install pump drive belt then rotary 

union drive belt  Slide motor rear 

ward until rotary union drive belt 

is tight  Tighten motor screws 

Slide pump forward until drive belt 
is tight  Tighten pump screws 

PUMP 

REMOVAL 

1. 

machine power cord from 

2. 

To  access  auxiliary  pump,  refer 

to 

electrical source 

‘Tank Removal’  instructions 

25 

3. 

Disconnect pump leads 

terminal 

block 

4. 

at 

branch 

tee 

(special 

push  lock  hosebarbs  allow  hose 

to 

swivel without damage 

hose during 

removal and assembly) 

5.  Remove 

screws  holding  pump 

to 

frame and lift out pump 

6. 

Remove outlet hose with hosebarb from 

pump head 

7. 

Lay  pump  on  bench  and  refer 

to 

auxiliary  pump  breakdown for  replace- 
ment parts 

8. 

Reinstall  pump  in  reverse  of  Step 

through 

above 

MOTOR REMOVAL 
ROTARY 

UNION DRIVE 

MOTOR) 

1. 

Disconnect  machine  power  cord 

from electrical source 

2. 

To  access  dnve  motor,  refer 

to 

“Tank  Removal”  instructions 

3. 

motor  leads  from  ter- 

minal  block  and 

(Refer 

to 

Photo 25 

4. 

Lift front of  machine and tilt  back- 

wards until machine rests 

on 

control 

handle 

(Photo 

12) 

5.  Remove  belt  access  cover 

(Photo 

6.  Loosen 

screws holding motor 

to 

frame,  slide motor forward and 

re- 

move belts from motor pulleys 

28 

7. 

Remove screws holding motor and 

6. 

Inspect motor, repair or  replace as 

motor 

out 

required 

9.  When  installing motor pulley, 

for  spacing 

(1 

inches 

from  face 

of  motor 

to  inside edge 

of outer flange on  pulley). 

10. 

Install  motor  in  reverse of  above 

steps 

11.  If 

required, refer 

to “Belt 

Replace- 

” 

FRONT 

AXLE 

AND WHEEL 

ASSEMBLY REMOVAL 

1. 

Disconnect  machine  power  cord 

from electrical source 

2. 

Remove tanks,  refer 

to 

“Tank 

Re- 

moval”  instructions 

3. 

Remove  belt  access  cover  (Photo 

12). 

4. 

Remove bottom splash guard 

31 

Remove  dnve  cham  from  sprocket 
NOTE: 

Chain  has  master  link  for 

easy removal 

Содержание EM-21A

Страница 1: ...ELECTRA MATIC115V Page 1of 26...

Страница 2: ...carpet as JET drive motor Glows red when on motor Turns on propelling Control forward pro Release to forward well as start vacuum THRUSTERJET CLUTCH DRIVE MOTOR LINEFUSE Protects pumplspinner drive wh...

Страница 3: ...lling solution tank to amd future problems Paths or wide stripes over the carpet can occur with certaintypes of carpets This is due to the lay of the carpet fibers Itwill go away when vacuumed unclean...

Страница 4: ...of the ELECTRA MATIC wrth a cleaning cloth using warm water and mild soap STORE ELECTRA MATIC with recovery shoe in the up position Place recovery dome upside down in recovery tank as shown to permit...

Страница 5: ...remove unused solution 1 Plug extensioncable from machine into 2 Remove hose from vac shoe and pull properly grounded outlet through guide on handle 1 3 Position dome on waste water tank to allow vac...

Страница 6: ...commutator should be check ed for pitting and concentriciiy Vacuum motors can be repaired but such re pairs should be made by a qualified motor repair shop VACUUM MOTOR INSTALLATION 1 Position vac mo...

Страница 7: ...machine power cord from 2 To access solenoid valve refer to electrical source Tank Removal instructions 3 Remove hosebarb from solenoid the special push lock hosebarb allows hose to swivel during rem...

Страница 8: ...ump in reverse of Step 1 through 6 above MOTOR REMOVAL PUMP ROTARY UNION DRIVE MOTOR 1 Disconnect machine power cord from electrical source 2 To access dnve motor refer to Tank Removal instructions 3...

Страница 9: ...g sleeve on outboard side of wheel NOTE Both right and left bearinq assem blies must be pressed in flush with the inside of wheel hubs 37 1 To check assembly hold axle each wheel should rotate forward...

Страница 10: ...e 3 set screws in equally to close air gap When air gap can no longer be ad justed clutch must be replaced Care should be taken to insure that dust dirt oil grease soap water etc does not come in cont...

Страница 11: ...hen lower adjusting rods 2 if rear shoe is off floor Fig 2 shorten lower adjusting rods 3 Retighten lock nuts on adjusting rods after completing vac shoe adjustment 4 Vsc Shoe Height Adjustment Place...

Страница 12: ...er being replaced the gear motor may be grounded or short circuited To test motor for ground or short circuit first disconnect machine power cord from electrical source then disconnect motor lead Mole...

Страница 13: ...CONTROL BOX CIRCUIT Bodin PC Control Boord tW 21C w 115V WlRlNO SCHEMATIC m w LOWER CONTROL BOX CIRCUIT lodin w control owlEII 21C u u 220V WlRlNa SCHLWATIC UPPER CONTROLBOX CIRCUIT 7 I I p 220V WlRl...

Страница 14: ...ELECTRA MATIC 115V I U I VACUUM CIRCUIT Page 14 of 26 ELECTRICALcin Bodlno Motorand CLUTCH CIRCUIT 14 1...

Страница 15: ...ELECTRA MATIC 115V Page 15 of 26 THRUSTER CIRCUIT DRIVE SYSTEM CIRCUIT 15...

Страница 16: ...ELECTRA MATIC 115V Page 16 of 26 ELECTRICAL CIRCUIT IDENTIFICATION Bodlno Motor and PC Control Board EM nlC TERMINAL BOX r POWER IN GROUND GROUNDING CIRCUITS EM 21C 16...

Страница 17: ...ELECTRA MATIC115V 115V WlRlNa SCHWATIC UPPER CONTROL BOX CIRCUIT Dart PC Control Board TO 115V WIRING SCHEMATIC BASE ASSEMBLY Dart PC Control Board 101 Page 17 of 26 17...

Страница 18: ...Contrd m r d CIRCUIT MEAKER 1401s CIRCUIT BREAKER 14027 PSWITCH 72015 0 115VAC INLET POWER 14017 4 C VAC smcn mls VACUUM CIRCUIT DWI PC D I I I T l w A n O 1712s 11R ma t5ov Control b a r d I OROUNDI...

Страница 19: ...ELECTRA MATIC 115V Page 19 of 26 CLUTCHCIRCUIT Dart PC Control Board d I 1 I u THRUSTER CIRCUIT Dart PC Control bard 1 DRIVE SY8TLM CIRCUIT Dart PC Control Board 115VAC INLET 4 I l r n...

Страница 20: ...ELECTRA MATIC 1 15V 1...

Страница 21: ...A A...

Страница 22: ...ELECTRA MATIC 115V 53 73030 Skirt Front I 54 31025 Elbow 318 45 St Page 22of 26 EM 21A SOLUTION RECOVERY TANK 22...

Страница 23: ...ELECTRA MATIC 115V EM 21C CONTROL PANEL BREAKDOWN Bodino PC Control Board Page 23 of 26 23...

Страница 24: ...ELECTRA MATIC 115V CONTROL PANEL BREAKDOWN D8t t PcControl Page24 of 26 0 19 8 2 1 24...

Страница 25: ...ELECTRA MATIC 115V Page25of 26 EM 21A LOWER SHROUDS 25...

Страница 26: ...or adjustedvac shoe Loose wires at switch or connections Faulty drive motor switch Worn carbon brushes in gear drive motor or faulty motor Fuse blown or circuit breakertripped on machine Faulty speed...

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