Nilfisk-Advance Retriever 4600 User manual

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9/97 revised 7/00 Form Number 56041389
Retriever™ 4600
OPERATOR MANUAL
Advance MODEL 56416000

1 - FORM NO. 56041389 - Retriever™ 4600
TABLE OF CONTENTS
_________________________________________________________________________________________________________________
Page
I troductio ........................................................................................................2
Parts a d Service...............................................................................................2
Nameplate..........................................................................................................2
U crati g the Machi e .......................................................................................2
Cautio s a d War i gs......................................................................................3
Ge eral I formatio ...........................................................................................4
K ow Your Machi e....................................................................................... 5-6
Preparing the Machine for Use
I stalli g the Batteries........................................................................................7
Operating the Machine
Sweepi g ...........................................................................................................8
Emptyi g the Hopper .........................................................................................8
After Use ............................................................................................................8
Maintenance
Mai te a ce Schedule ......................................................................................9
Chargi g the Batteries .....................................................................................10
Checki g the Battery Electrolyte Level ............................................................10
Recomme ded Batteries a d Chargers...........................................................10
Side Broom Mai te a ce.................................................................................11
Mai Broom Mai te a ce ................................................................................11
Hopper Dust Co trol Filter ...............................................................................12
Troubleshooti g ......................................................................................... 13-14
Tech ical Specificatio s ..................................................................................15
Optio s a d Accessories .................................................................................15

FORM NO. 56041389 - Retriever™ 4600 - 2
This ma ual will help you get the most from your Nilfisk-Adva ce Retriever™ 4600. Read it thoroughly before operati g the machi e.
Note: Bo d numbers in parentheses indicate an item i ustrated on pages 5-6.
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
PARTS AND SERVICE
Repairs, whe required, should be performed by your Authorized Nilfisk-Adva ce Service Ce ter, who employs factory trai ed service perso el,
a d mai tai s a i ve tory of Nilfisk-Adva ce origi al replaceme t parts a d accessories.
Call the NILFISK-ADVANCE DEALER amed below for repair parts or service. Please specify the Model a d Serial umber whe discussi g your
machi e.
(Dealer, affix service sticker here.)
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
NAME PLATE
The Model a d Serial Number of your machi e are show o the Nameplate o the right side of the machi e. This i formatio is eeded whe
orderi g repair parts for the machi e. Use the space below to ote the Model a d Serial Number of your machi e for future refere ce.
MODEL
SERIAL NUMBER
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
UNCRATING THE MACHINE
Whe the machi e is delivered, carefully i spect the shippi g carto a d the machi e for damage. If damage is evide t, save the shippi g carto
so that it ca be i spected. Co tact the Nilfisk-Adva ce Customer Service Departme t immediately to file a freight damage claim.
1After removi g the crate, remove the woode blocks ext to the wheels.
2 Read the instructions i the Preparing the Machine For Use sectio .
3Place a ramp ext to the fro t e d of the pallet.
4 Read the instructions i the Operating the Machine sectio , slowly drive the machi e forward from the pallet to the floor. Keep your left foot
lightly o the brake pedal u til your sweeper is off the pallet.
CAUTION!
Use extreme CAUTION whe operati g this sweeper. Be certai that you are thoroughly familiar with all of the operati g i structio s
prior to usi g this sweeper. If you have a y questio s, co tact your supervisor or your local Nilfisk-Adva ce I dustrial Dealer.
Should your sweeper malfu ctio , do ot attempt to correct the problem u less your supervisor directs you to do so. Have a qualified
compa y mecha ic or a authorized Nilfisk-Adva ce Dealer Service perso make a y ecessary correctio s to the equipme t.
Use extreme care whe worki g o this machi e. Neckties, loose clothi g, lo g hair, ri gs a d bracelets ca get caught i movi g parts.
Tur the Key Switch (4) OFF, set the Parki g Brake (24) a d disco ect the batteries before worki g o the machi e. Use good
commo se se, practice good safety habits a d pay atte tio to the yellow decals o this machi e.
WARNING!
NEVER OPERATE THIS MACHINE NEAR FLAMMABLE LIQUIDS OR VAPORS.
INTRODUCTION

3 - FORM NO. 56041389 - Retriever™ 4600
CAUTIONS AND WARNINGS
SYMBOLS
Nilfisk-Adva ce uses the symbols below to sig al pote tially da gerous co ditio s. Always read this i formatio carefully a d take
the ecessary steps to protect perso el a d property.
DANGER !
Is used to war of immediate hazards that will cause severe perso al i jury or death.
WARNING !
Is used to call atte tio to a situatio that could cause severe perso al i jury.
CAUTION !
Is used to call atte tio to a situatio that could cause mi or perso al i jury or damage to the machi e or other property.
GENERAL SAFETY INSTRUCTIONS
Specific Cautio s a d War i gs are i cluded to war you of pote tial da ger of machi e damage or bodily harm.
WARNING !
*This machi e shall be used o ly by properly trai ed a d authorized perso s.
*Avoid sudde stops whe loaded. Avoid abrupt sharp tur s. Use low speed dow hills or ramps.
*To avoid hydraulic oil i jectio or i jury always wear appropriate clothi g a d eye protectio whe worki g with or ear hydraulic
system.
*Tur the Key Switch (Mai Power) (4) to the OFF positio , set the Parki g Brake (24) a d disco ect the batteries before
performi g a y service fu ctio .
*Never work u der a machi e without safety blocks or sta ds to support the machi e.
*Make sure the Hopper Safety Support (37) is i place whe ever attempti g to do a y mai te a ce work u der or ear the raised
hopper.
*Never operate this machi e ear flammable liquids or vapors.
*Do ot clea this machi e with a pressure washer.
CAUTION !
* This machi e is ot approved for use o public paths or roads.
* This machi e is ot suitable for picki g up hazardous dust.
* Do ot operate this machi e o ramps or i cli es of more tha 5 degrees.
* Whe operati g this machi e, e sure that third parties, particularly childre , are ot e da gered.
* Before performi g a y service fu ctio , carefully read all i structio s pertai i g to that fu ctio .
* Do ot leave the machi e u atte ded without first tur i g the Key Switch (4) OFF, removi g the key a d applyi g the Parki g
Brake (24).
* Take precautio s to preve t hair, jewelry, or loose clothi g from becomi g caught i movi g parts.
*Make sure all safety devices are i place a d operati g properly.
*Before use, all doors a d hoods should be properly latched.
*Movi g parts. Disco ect power before servici g filter.
SAVE THESE INSTRUCTIONS

FORM NO. 56041389 - Retriever™ 4600 - 4
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HOPPER SAFETY SUPPORT
WARNING!
GENERAL INFORMATION
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
JACKING THE MACHINE
CAUTION!
Never work u der a machi e without safety sta ds or blocks to support the machi e.
•Whe jacki g the machi e, do so at desig ated locatio s (Do Not jack o the hopper) - see jacki g locatio s (42).
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
TRANSPORTING THE MACHINE
CAUTION!
Before tra sporti g the machi e o a ope truck or trailer, make sure that . . .
•All access doors are latched securely.
•The machi e is tied dow securely - see tie-dow locatio s (34).
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
TOWING
CAUTION!
If the machi e must be towed or pushed, make sure the Key Switch (Mai Power) (4) is i the OFF positio a d do ot move the machi e
faster tha 5 mph.
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
OTHER MANUALS AVAILABLE FOR THE RETRIEVER 4600B
The followi g ma uals are available from the Nilfisk-Adva ce Literature Service Departme t:
•Retriever™ 4600B Parts List - Nilfisk-Adva ce Form Number 56042334
•Retriever™ 4600B Service Ma ual - Nilfisk-Adva ce Form Number 56043043
Make sure the Hopper Safety Support (37) is i place
whe ever attempti g to do a y mai te a ce work
u der or ear the raised hopper. The Hopper Safety
Support (37) holds the hopper i the raised positio to
allow work to be performed u der the hopper. NEVER
rely o the machi e’s hydraulic compo e ts to safely
support the hopper.

5 - FORM NO. 56041389 - Retriever™ 4600
18
24
25
26
27
28
30
30
32
33
34
36
19
20
21
29
32
37
38
39
41
42
42
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
As you read this ma ual, you will occasio ally ru across a bold umber i pare theses - example: (2). These umbers refer to a item o these
two pages. Refer back to these pages whe ever ecessary to pi poi t the locatio of a item me tio ed i the text.
1 Emergency Quick Disconnect
2 Hour Meter
3 Battery Condition Meter
4 Key Switch (Main Power)
5 Head ight Switch
6 Dust Contro / Shaker Switch
7 Horn Switch
8 Circuit Breaker, 15 Amp (Dust Contro / Shaker Motor)
9 Circuit Breaker, 6 Amp (Aux. Circuit 1)
10 Circuit Breaker, 10 Amp (Side Broom Motor)
11 Circuit Breaker, 5 Amp (Aux. Circuit 2)
12 Circuit Breaker, 60 Amp (Hydrau ic Pump)
13 Circuit Breaker, 40 Amp (Main Broom Motor)
14 Circuit Breaker, 80 Amp (Whee Drive Motor)
15 Main Broom Raise / Lower (ON / OFF) Lever
16 Hopper Raise / Lower Lever
17 Hopper Door Open / C ose Lever
18 Hopper Cover
19 Dust Fi ter Shaker Assemb y
20 Hopper Dust Contro Fi ter
21 Hopper Cover Prop Rod
KNOW YOUR MACHINE
22 Hopper Cover Latch
23 Side Broom Raise / Lower (ON / OFF) Lever
24 Parking Brake Set / Re ease Lever (Foot Brake)
25 FWD / REV Drive Peda
26 Operator’s Seat Adjust Lever
27 Battery Charger Port
28 Operator’s Seat (W / Safety Switch)
29 Battery Compartments (Removab e)
30 Battery Compartment Covers
31 Whee Drive / Steer Whee
32 Head ights
33 Main Broom Access Door
34 Tie Down Points
35 Steering Whee
36 Side Broom
37 Hopper Safety Support
38 Shaker Assemb y Latch
39 Litter Door
40 Tai Light
41 Hopper Safety Support Pu Rod
42 Jacking Points
43 Circuit Breaker Cover

FORM NO. 56041389 - Retriever™ 4600 - 6
KNOW YOUR MACHINE
1
23 4
7
5
6
89
10
11
12
13
14
15 17
16
C
O
N
T
R
O
L
P
A
N
E
L
22
23
31
34 34
34
35
29
40
42
42
43
42

7 - FORM NO. 56041389 - Retriever™ 4600
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
INSTALLING THE BATTERIES
WARNING!
Use extreme cautio whe worki g with batteries. Sulfuric acid i batteries ca cause severe i jury if allowed to co tact the ski or
eyes. Explosive hydroge gas is ve ted from i side the batteries through ope i gs i the battery caps. This gas ca be ig ited by
a y arc, spark or flame.
WHEN SERVICING BATTERIES...
•Remove all jewelry
•Do ot smoke
•Wear safety glasses
•Work i a well-ve tilated area
•Do ot allow tools to touch more tha o e battery termi al at a time
CAUTION!
Acid ca spill o to the floor if the batteries are overfilled.
To avoid damage to floor surfaces, wipe water a d acid from the top of the batteries after chargi g.
Electrical compo e ts i this machi e ca be severely damaged if the batteries are ot i stalled a d co ected properly. Batteries
should be i stalled by your local Nilfisk-Adva ce Distributor or by a qualified electricia .
1Whe fitti g or replaci g the batteries from their shippi g crate, carefully i spect them for cracks or other damage. If damage is evide t, co tact
the tra sport compa y that delivered them or the battery ma ufacturer to file a damage claim.
2Make sure the machi e’s Key Switch (Mai Power) (4) is i the OFF positio a d the Emerge cy Quick Disco ect (1) is depressed.
3Remove both Battery Compartme t Covers (30).
4Usi g (2) people a d a appropriate lifti g strap, carefully lift the batteries i to each battery compartme t a d arra ge them exactly as show .
5I stall the battery cables as show (Red (A) is Positive / Black (B) is Negative). Positio the cables so the battery caps ca be easily removed
for service.
6Carefully tighte the screw a d ut o each battery termi al u til the termi al will ot tur o the battery post (mi . 70 i lbs).
7Coat the termi als a d posts with a high temperature grease, or spray-o battery termi al coati g (available at most auto parts stores).
8Put o e black rubber boot over each of the termi als a d secure with a tie strap.
9Plug the yellow battery co ectors from the batteries i to the matchi g yellow co ectors o the chassis o each side.
PREPARING THE MACHINE FOR USE
A
B
B
A

FORM NO. 56041389 - Retriever™ 4600 - 8
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SWEEPING
Follow the i structio s i prepari g the machi e for use sectio of the ma ual.
1Tur the Key Switch (4) ON. Pull the Mai Broom Raise / Lower (ON/OFF) Lever (15) back a d slide to the left a d up to lower a d start the
mai broom. NOTE: The brooms will ot tur o if the hopper door is closed.
2Whe sweepi g dry f oors, tur the dust co trol system ON by pushi g the Dust Co trol / Shaker Switch (6) up to the perma e t ON positio .
Whe sweepi g f oors with pudd es, put the Dust Co trol / Shaker Switch (6) i the eutral or OFF positio before the machi e e ters a
puddle. Tur the Dust Co trol / Shaker Switch (6) ON whe the machi e is back o a completely dry floor.
Whe sweepi g wet f oors, keep the Dust Co trol / Shaker Switch (6) i the OFF positio . (This will preve t moisture from getti g i to the
Hopper Dust Co trol Filter (20)).
3Lower the Side Broom (36) by pushi g the Side Broom Raise / Lower (ON / OFF) Lever (23) dow to the right a d up for sweepi g alo g a
wall or curb. Raise the side broom whe sweepi g i a ope area.
4Drive the machi e forward i a straight li e at a quick walki g speed a d overlap each pass approximately 6 i ches (150 mm). Drive the
machi e slower whe sweepi g large amou ts of dirt or debris or whe safe operatio dictates slower speeds.
5Whe sweepi g extremely dusty floors, it may be ecessary to stop sweepi g occasio ally a d shake the Hopper Dust Co trol Filter (20).
To shake the filter, push the Dust Co trol / Shaker Switch (6) dow to the mome tary ON positio , a d hold for 20 seco ds. Push the switch
back up to the perma e t ON positio to activate the dust co trol impeller a d co ti ue sweepi g.
6Check behi d the machi e occasio ally to make sure that the machi e is picki g up debris. Dirt left behi d i the path of the machi e usually
i dicates that the machi e is movi g too fast, the broom eeds to be adjusted, or the hopper is full. NOTE: If there is debris o the floor too
large to be swept up, ope the Litter Door (39) a d throw it i to the hopper.
NOTE: The mai a d side broom, dust co trol a d shaker motor will tur OFF automatically a d cease to fu ctio after the batteries reach a 80%
depth of discharge. Normal fu ctio will retur to the brooms whe the batteries are re-charged.
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
EMPTYING THE HOPPER
NOTE: The MINIMUM ceili g height dumpi g cleara ce required for raisi g the hopper is 101” (256.54 cm)
1Put the Mai Broom Raise / Lower (ON / OFF) Lever (15) a d the Side Broom Raise / Lower (ON / OFF) Lever (23) to the UP positio .
2Pull the Hopper Door Ope / Close Lever (17) back to close the hopper door.
3Push the Dust Co trol / Shaker Switch (6) dow to the mome tary ON positio a d hold it for 20 seco ds.
4Drive the machi e close to a large trash receptacle a d pull the Hopper Raise / Lower Lever (16) back i to the UP positio u til the hopper
is raised to the desired height.
5Slowly drive the machi e forward u til the hopper is over the receptacle a d apply the Parki g Brake (24).
6Push the Hopper Door Ope / Close Lever (17) forward u til the hopper door is completely ope . O ce all of the debris has emptied out, close
the hopper door. NOTE: The Dust Co trol / Shaker Switch (6) may be left ON while dumpi g to draw some of the dust through the Hopper
Dust Co trol Filter (20). This is effective whe dumpi g o to the grou d or o to a pile.
7Put the Hopper Safety Support (37) i place by pulli g up o the Hopper Safety Support Pull Rod (41), the lower the hopper slightly to secure.
8Look for a accumulatio of litter o the back of the hopper a d o the fro t of the broom housi g. Use a broom, if ecessary, to remove litter
from these areas. The back of the hopper must seal tightly agai st the fro t of the broom housi g for proper operatio .
9Retur to the operator’s compartme t. Release the parki g brake. Move the machi e back u til the hopper will clear the receptacle. Raise
the hopper slightly u til the Hopper Safety Support (37) dise gages, the lower the hopper. a d re-ope the hopper door. NOTE: The brooms
will ot tur o if the hopper door is closed.
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
AFTER USE
1Shake the Hopper Dust Co trol Filter (20) a d empty the hopper.
2Check the mai te a ce schedule a d perform all required mai te a ce before storage.
3Move the machi e to a i door storage area.
4Make sure the Key Switch (4) is OFF a d the Parki g Brake (24) is e gaged.
OPERATING THE MACHINE

9 - FORM NO. 56041389 - Retriever™ 4600
MAINTENANCE
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Make sure that the machi e is kept i top shape by followi g the mai te a ce schedule closely. Mai te a ce i tervals give are for average
operati g co ditio s. Machi es used i severe e viro me ts may require service more ofte .
Repairs, whe required, should be performed by your Authorized Nilfisk-Adva ce Service Ce ter, who employs factory trai ed service perso el
a d mai tai s a i ve tory of Nilfisk-Adva ce Origi al Equipme t Replaceme t Parts a d Accessories.
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
MAINTENANCE SCHEDULE
MAINTENANCE ITEM Dai y Week y Month y Year y
Charge Batteries •
Check Battery Water Level(s) •
Check Foot/ Parki g Brake For Wear & Adjustme t •
I spect Broom Housi g Skirts •
I spect Mai Broom Upper a d Lower Belts •
Steeri g Chai Te sio •
Lubricatio - Grease Fitti gs •
Check Hydraulic Fluid •
Replace Hydraulic Filter •
* Check Carbo Brushes •
* Have your Nilfisk-Adva ce Dealer check the carbo motor brushes o ce a year or after 300 operati g hours.
NOTE: Refer to the Service Ma ual (form umber 043043) for more detail o mai te a ce a d service repairs.
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
EVERY 30 HOURS OF OPERATION
1Rotate the Mai Broom. Refer to the Main Broom Maintenance sectio .
2Adjust the Mai Broom. Refer to the Main Broom Maintenance sectio .
3Clea the Hopper Dust Co trol Filter (20) usi g Method “A”. Refer to the Hopper Dust Control Filter sectio .
4Adjust the Side Broom. Refer to the Side Broom Maintenance sectio .
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
EVERY 150 HOURS OF OPERATION
1Clea the Hopper Dust Co trol Filter (20) usi g Method “B”. Refer to the Hopper Dust Control Filter sectio .
2Lubricate all Grease Fitti gs.
Grease fitti g locatio s are:
*(4) o steeri g sprockets
*(1) o steeri g u-joi t
*(2) o drive wheel gearcase spi dle
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
EVERY 300 HOURS OF OPERATION
1IMPORTANT! Cha ge the gear lube i the drive wheel gearcase after the first 300 hours of operatio .
2Clea the Hopper Dust Co trol Filter (20) usi g Method “C”. Refer to the Hopper Dust Control Filter sectio .

FORM NO. 56041389 - Retriever™ 4600 - 10
MAINTENANCE
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
CHARGING THE BATTERIES
Charge the batteries each time the machi e is used, or whe ever the Battery Co ditio Meter Lights (3) are flashi g.
To Charge the Batteries...
1Ope the Battery Compartme t Covers (30) to provide proper ve tilatio .
2Push the co ector from the charger i to the Machi e Battery Charger Port (27) below the Operator’s Seat (28).
3Follow the i structio s o the battery charger.
4Check the fluid level i all battery cells after chargi g the batteries. Add distilled water, if ecessary, to bri g the fluid level up to the bottom
of the filler tubes.
WARNING !
Do ot fill the batteries before chargi g.
O ly charge batteries i a well-ve tilated area.
Do ot smoke while servici g the batteries.
CAUTION !
To avoid damage to floor surfaces, always wipe water a d acid from the top of the batteries after chargi g.
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
CHECKING THE BATTERY ELECTROLYTE LEVEL
Check the e ectro yte eve of the batteries at east once a week.
After chargi g the batteries, remove the ve t caps a d check the electrolyte level i each battery cell. Use distilled water to fill the batteries to the
bottom of the filler tube.
Do not over-fill the batteries!
CAUTION !
Acid ca spill o to the floor if the batteries are overfilled.
Tighte the ve t caps. If there is acid o the batteries, wash the tops of the batteries with a solutio of baki g soda a d water (2
tablespoo s of baki g soda to 1 quart of water).
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
RECOMMENDED BATTERIES AND CHARGERS
Part No. Qty Description
56206079 6 Battery, 6V 238 AH (standard)
56376014 6 Battery, 6V 244 AH (optiona )
56388503 6 Battery, 6V 360 AH (optiona )
56388582 6 Battery, 6V 395 AH (optiona )
56395101 1 Charger, 36V Auto 20 Amp (standard)
(for use with 56206079 & 56376014, 120V, 60Hz)
56206086 1 Charger, 36V Auto 20 Amp (optiona )
(for use with 56206079 & 56376014, 100V, 50/60Hz)
56388120 1 Charger, 36V Auto 36 Amp (optiona )
(for use with 56388503 & 56388582, 120V, 60Hz)
56388119 1 Charger, 36V Auto 36 Amp (optiona )
(for use with 56388503 & 56388582, 230V, 50Hz)
56409788 1 Charger, 36V Auto 38 Amp (optiona )
(for use with 56388503 & 56388582, 200-240V, 50/60Hz)
56416624 1 Charge Plug Adapter
(for chargi g battery packs off of the machi e)

11 - FORM NO. 56041389 - Retriever™ 4600
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
SIDE BROOM MAINTENANCE
To adjust the Side Broom...
1Put the side broom i the DOWN positio .
2Loose the Ha dle (A) a d slide the Stop Bracket (B) up or dow to lower or raise the Side Broom (36). The farther the Lever (23) travels
up i the slot, the lower the Side Broom (36) will be.
3Whe i the Dow positio , the Side Broom (36) should be co tacti g the floor from the 10 O’Clock (C) to the 3 O’Clock (D) area show .
4O ce the Side Broom (36) is properly adjusted, tighte the Ha dle (A) to secure the Stop Bracket (B).
NOTE: The machi e should be stored with the Side Broom (36) i the raised positio . The Side Broom (36) should be replaced whe the bristles
are wor to a le gth of 3 i ches (7.62 cm) or it becomes i effective. The Side Broom stop must be re-adjusted whe ever the broom has bee
replaced.
MAINTENANCE
A
B
23
C
D
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
MAIN BROOM MAINTENANCE
Si ce the Mai Broom Motor always tur s i the same directio , the bristles o the broom eve tually become curved, reduci g sweepi g
performa ce. Sweepi g performa ce ca be improved by removi g the broom a d tur i g it arou d (e d-for-e d). This procedure, k ow as
“rotati g” the mai broom, should be do e o ce every 30 hours of operatio .
The mai broom should be replaced whe the bristles are wor to a le gth of 2-1/2 i ches (6.35 cm). The mai broom stop must be re-adjusted
whe the broom is replaced.
NOTE: The machi e should be stored with the Mai Broom i the raised positio .
WARNING!
Tur the Key Switch (Mai Power) (4) to the OFF positio a d disco ect the batteries before performi g this procedure.
To Rotate or Rep ace the Main Broom...
1Tur the Key Switch (4) OFF a d depress the Emerge cy Quick Disco ect (1).
2Put the Mai Broom Raise / Lower (ON / OFF) Lever (15) i the DOWN positio .
3Ope the Mai Broom Access Door (33) by releasi g both latches a d pulli g the door outward before swi gi g it ope .
4Remove the large T-Bolt from the side of the broom idler arm. Pull the idler arm assembly out of the mai broom core.
5Pull the mai broom out of the broom housi g a d remove a y stri g or wire wrapped arou d it. Also i spect the skirts at the fro t, back a d
sides of the broom housi g. The skirts should be replaced if they are tor or wor to a height of more tha 1/4 i ch (6.35 mm) off the grou d.
6Tur the broom arou d (e d-for-e d) a d slide it back i to the broom housi g. Make sure that the lugs o the broom drive hub (left side) e gage
the slots i the broom core.
7Swi g the idler arm assembly back i to the broom core a d re-i stall the T-Bolt that holds the idler arm i place.
8Close a d latch the Mai Broom Access Door (33). NOTE: Make sure that both latches are secure.

FORM NO. 56041389 - Retriever™ 4600 - 12
MAINTENANCE
To Adjust the Main Broom Height...
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MAIN BROOM MAINTENANCE (CONTINUED)
A
B
1Drive the machi e to a area with a level floor a d set the parki g
brake.
2Pull the Mai Broom Raise / Lower (ON/OFF) Lever (15) back a d
slide to the left a d up to lower a d start the mai broom. DO NOT
move the machi e.
3Let the mai broom ru i place for 1 mi ute. This allows the broom
to polish a “strip” o the floor. After 1 mi ute, raise the broom,
release the parki g brake a d move the machi e so that the
polished strip is visible.
4I spect the polished strip o the floor. If the strip is less tha 2 i ches
(5.08 cm) wide, the broom eeds to be adjusted.
5To adjust, loose the Ha dle (A) a d slide the Stop Bracket (B) up
or dow to lower or raise the Mai Broom. The farther the Lever (15)
travels up i the slot, the lower the Mai Broom will be. Tighte
Ha dle (A) after adjusti g the positio of the Stop Bracket (B).
6Repeat steps 1-5 u til the polished strip is 2 i ches (5.08 cm) wide.
The width of the polished strip should be the same at both e ds of
the broom. If the strip is tapered, move the machi e to a differe t
area a d repeat steps 1-5. If the polished strip is still tapered, co tact
your Nilfisk-Adva ce Dealer for service.
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HOPPER DUST CONTROL FILTER
The hopper dust co trol filter must be clea ed regularly to mai tai the efficie cy of the vacuum system. Follow the recomme ded filter service
i tervals for the lo gest filter life.
CAUTION!
Wear safety glasses whe clea i g the filter.
Do ot pu cture the paper filter.
Clea the filter i a well-ve tilated area.
To remove the hopper dust contro fi ter...
1Lift the Hopper Cover (18) o top of the hopper. Make sure that the Hopper Cover Prop Rod (21) is i place.
2I spect the top of the Hopper Dust Co trol Filter (20) for damage. A large amou t of dust o top of the filter is usually caused by a hole i
the filter or a damaged filter gasket.
3Lift the red ha dles o the two latches (o e o each side at the fro t of the frame) to release the shaker frame, the swi g the Dust Filter Shaker
Assembly (19) up a d latch i place with the Shaker Assembly Latch (38).
4Lift the Hopper Dust Co trol Filter (20) out of the machi e.
5 C ean the fi ter using one of the methods be ow:
Method “A”
Vacuum loose dust from the filter. The gent y tap the filter agai st a flat surface (with the dirty side dow ) to remove loose dust a d dirt.
NOTE: Take care ot to damage the metal lip which exte ds past the gasket.
Method “B”
Vacuum loose dust from the filter. The blow compressed air (maximum pressure 100 psi) i to the clea side of the filter (i the opposite
directio of the airflow).
Method “C”
Vacuum loose dust from the filter. The soak the filter i warm water for 15 mi utes, the ri se it u der a ge tle stream of water (maximum
pressure 40 psi). Let the filter dry completely before putti g it back i to the machi e.
6Follow the i structio s i reverse order to i stall the filter. If the gasket o the filter is tor or missi g, it must be replaced.

13 - FORM NO. 56041389 - Retriever™ 4600
TROUBLESHOOTING
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If the possible causes listed below are ot the source of trouble, it is a symptom of somethi g more serious. Co tact your Nilfisk-Adva ce Service
Ce ter immediately for service.
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TRIPPING THE CIRCUIT BREAKERS
The circuit breakers are located o the co trol pa el u der the Circuit Breaker Cover (43), they protect electrical circuits a d motors from damage
due to overload co ditio s. If a circuit breaker trips, try to determi e the cause.
Wheel Drive Motor Circuit Breaker (80 Amp) Possible causes may be:
1Brake sticki g or ON (check brake)
2I cli e too steep / too lo g (avoid i cli es of more tha 5 degrees or prolo ged climbi g)
3Electrical short circuit (have your Nilfisk-Adva ce Service Ce ter or qualified electricia check the machi e)
Mai Broom Motor Circuit Breaker (40 Amp) Possible cause may be:
1Debris wrapped arou d the broom drive or broom (remove debris)
2Mai broom set too low (adjust mai broom)
3Electrical short circuit (have your Nilfisk-Adva ce Service Ce ter or qualified electricia check the machi e)
Side Broom Motor Circuit Breaker (10 Amp) Possible causes may be:
1Debris wrapped arou d the broom drive (remove debris)
2Side broom set too low (adjust side broom)
3Electrical short circuit (have your Nilfisk-Adva ce Service Ce ter or qualified electricia check the machi e)
Dust Co trol / Shaker Motor Circuit Breaker (15 Amp) Possible causes may be:
1Electrical short circuit (have your Nilfisk-Adva ce Service Ce ter or qualified electricia check the machi e)
2Overloaded or jammed shaker motor (check shaker motor)
Hydraulic Pump Circuit Breaker (60 Amp) Possible causes may be:
1Overloaded or jammed hopper (check hopper)
2Electrical short circuit (have your Nilfisk-Adva ce Service Ce ter or qualified electricia check the machi e)
Auxiliary Circuit 1 Circuit Breaker (6 Amp) Possible cause may be:
1Electrical short circuit (have your Nilfisk-Adva ce Service Ce ter or qualified electricia check the machi e)
Auxiliary Circuit 2 Circuit Breaker (5 Amp) Possible cause may be:
1Electrical short circuit (have your Nilfisk-Adva ce Service Ce ter or qualified electricia check the machi e)
O ce the problem has bee corrected, push the butto i to reset the circuit breaker. If the butto does ot stay i , wait 5 mi utes a d try agai .
If the circuit breaker trips repeatedly, call your Nilfisk-Adva ce Service Ce ter for service.

FORM NO. 56041389 - Retriever™ 4600 - 14
TROUBLESHOOTING
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If the possible causes listed below are ot the source of trouble, it is a symptom of somethi g more serious. Co tact your Nilfisk-Adva ce Service
Ce ter immediately for service.
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MACHINE WILL NOT MOVE
Possible causes may be:
1Batteries eed chargi g (charge batteries)
2Wheel Drive Motor Circuit Breaker (14) tripped (reset circuit breaker)
3Aux. Circuit 2 Circuit Breaker (11) tripped (reset circuit breaker)
4Parki g Brake (24) set (release parki g brake)
5Emerge cy Quick Disco ect (1) tripped (pull red k ob up to reset)
6Safety Switch (S4) i seat ot closed (check seat switch)
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MAIN BROOM WILL NOT RUN
Possible causes may be:
1Hopper door is ot ope (ope hopper door)
2Batteries eed chargi g (re-charge batteries)
3Mai Broom Motor Circuit Breaker (13) tripped (reset circuit breaker)
4Debris wrapped arou d the broom drive (remove debris)
5Aux. Circuit 1 Circuit Breaker (9) tripped (reset circuit breaker)
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SIDE BROOM WILL NOT RUN
Possible causes may be:
1Hopper door is ot ope (ope hopper door)
2Side Broom Motor Circuit Breaker (10) tripped (reset circuit breaker)
3Debris wrapped arou d the broom drive (remove debris)
4Aux. Circuit 1 Circuit Breaker (9) tripped (reset circuit breaker)
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HOPPER WILL NOT RAISE
Possible causes may be:
1Hydraulic Pump Circuit Breaker (12) tripped (reset circuit breaker)
2Aux. Circuit 1 Circuit Breaker (9) tripped (reset circuit breaker)
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HOPPER DUMP DOOR WILL NOT OPEN
Possible causes may be:
1Hydraulic Pump Circuit Breaker (12) tripped (reset circuit breaker)
2Aux. Circuit 1 Circuit Breaker (9) tripped (reset circuit breaker)
3Dump door jammed by debris (remove debris a d clea edges of dirt chamber)
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SHAKER MOTOR WILL NOT RUN
Possible causes may be:
1Dust Co trol / Shaker Motor Circuit Breaker (8) tripped (reset circuit breaker)
2Aux. Circuit 1 Circuit Breaker (9) tripped (reset circuit breaker)
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DUST CONTROL SYSTEM (IMPELLER) WILL NOT RUN
Possible causes may be:
1Dust Co trol / Shaker Motor Circuit Breaker (8) tripped (reset circuit breaker)
2Aux. Circuit 1 Circuit Breaker (9) tripped (reset circuit breaker)

15 - FORM NO. 56041389 - Retriever™ 4600
TECHNICAL SPECIFICATIONS
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TECHNICAL SPECIFICATIONS (as insta ed and tested on the unit)
Mode Retriever 4600B
Model No. 56416000
Curre t A 94
Voltage, Batteries V 6 x 6V = 36V
Battery Capacity Ah 395@20 hr
Protectio Grade IP30
Sou d Power Level (ISO 3744) dB(A)/20µPa 72
Net Weight (w/o batteries) lbs/kg 2,040 / 925
Gross Weight (w/batteries) lbs/kg 2,760 / 1,252
Vibratio s at the Ha d Co trols m/s2<2.5
Vibratio s at the Seat m/s2<0.5
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OPTIONS AND ACCESSORIES
Part No. Description
56416573 Overhead Guard Kit
56416601 Battery Lift Out Bar
56416605 Wearpak Kit
56420143 Dual Armrest Kit
56416588 Beaco Kit
56409244 Back-Up Alarm Kit

Nilfisk-Advance, Inc.
14600 21st Avenue North
Plymouth, MN, 55447-3408
www.nilfisk-advance.com
Phone: [phone]
Fax: [phone]
©2000 Nilfisk-Advance, Inc.,
Plymouth, MN 55447-3408
Printed in the U.S.A.