Dorner AquaPruf ULTIMATE 7600 Series User manual

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DORNER MFG. CORP. INSIDE THE USA OUTSIDE THE USA
P.O. Box 20 • 975 Cottonwood Ave. TEL: [phone] TEL: [phone]
Hartland, WI 53029-0020 USA FAX: [phone] FAX: [phone]
851-651 Rev. C
Installation, Maintenance and Parts Manual
Introduction 2
Warnings – General Safety 3
Product Description 4
Specifications 5
Flat Belt 7600 Ultimate Series Conveyor 5
Cleated Belt 7600 Ultimate Series Conveyor 5
Flat Belt LPZ 7600 Ultimate Series Conveyor 5
Cleated Belt LPZ 7600 Ultimate Series Conveyor 5
Conveyor Supports 6
Specifications 6
Installation 7
Required Tools 7
Recommended Installation Sequence 7
Conveyors Longer than 11 ft (3353 mm) 7
Belt and Frame Sections 7
LPZ Conveyors 9
Knuckles 9
Belt 9
Guides 10
All Conveyors 10
Belt Return Installation 10
7600 Ultimate Series CE
End Drive Conveyors
Flat Belt Conveyor Cleated Belt Conveyor

Dorner Mfg. Corp. 2 851-651 Rev. C
7600 Ultimate Series CE End Drive Conveyors
Table of Contents
Introduction ....................................................................... 2
Warnings - General Safety ................................................ 3
Product Description........................................................... 4
Specifications .................................................................... 5
Flat Belt 7600 Ultimate Series Conveyor .................. 5
Cleated Belt 7600 Ultimate Series Conveyor ............ 5
Flat Belt LPZ 7600 Ultimate Series Conveyor .......... 5
Cleated Belt LPZ 7600 Ultimate Series Conveyor .... 5
Conveyor Supports..................................................... 6
Specifications................................................................. 6
Installation......................................................................... 7
Required Tools............................................................... 7
Recommended Installation Sequence............................ 7
Conveyors Longer than 3353 mm (11 ft) ...................... 7
Belt and Frame Sections............................................. 7
LPZ Conveyors.............................................................. 9
Knuckles..................................................................... 9
Belt............................................................................. 9
Guides....................................................................... 10
All Conveyors.............................................................. 10
Belt Return Installation ............................................ 10
Flat Belt ................................................................ 10
Cleated Belt .......................................................... 11
Both Flat and Cleated Belts.................................. 11
Limiter Installation................................................... 11
Flat Belt ................................................................ 11
Cleated Belt .......................................................... 11
Guide Installation..................................................... 12
Stand Installation...................................................... 12
Drive Package Installation ....................................... 13
Belt Tensioning ........................................................ 13
Preventive Maintenance and Adjustment........................ 14
Required Tools......................................................... 14
Checklist ...................................................................... 14
Cleaning....................................................................... 14
Routine Cleaning...................................................... 14
Standard Conveyors.............................................. 14
Conveyors with Lifters......................................... 14
Periodic Cleaning..................................................... 15
Lubrication................................................................... 15
Conveyor Bearings................................................... 15
Wearstrips and Belt Returns ........................................ 15
Maintaining the Conveyor Belt.................................... 16
Troubleshooting........................................................ 16
Conveyor Belt Replacement ....................................... 16
Conveyors with Guides ............................................ 16
Standard Belts........................................................... 16
Conveyor Belt Tensioning........................................... 17
Sprocket and Puck Removal........................................ 18
A - Drive Sprocket Removal.................................... 18
B - Idler Puck Removal............................................ 19
Reassembling Tail Assemblies .................................... 20
Tip Up Idler Tail....................................................... 20
Drive Tail ................................................................. 21
Bearing Replacement................................................... 23
LPZ Knuckles .............................................................. 23
Wearstrips and Belt Returns..................................... 23
Removal.................................................................... 23
Installation................................................................ 24
Service Parts.................................................................... 26
Drive End Components................................................ 26
Tension End ................................................................. 28
Conveyor Frame and Extension................................... 29
Upper Knuckle for Flat Belt Conveyors...................... 30
Upper Knuckle for Cleated Belt Conveyors................ 31
Lower Knuckle for Cleated Belt Conveyors................ 32
76 mm High Sides........................................................ 33
Cleated 25 mm Guides................................................. 34
Cleated 76 mm Guides................................................. 35
Flat Belt Returns .......................................................... 36
Lifters........................................................................... 36
Cleated Belt Returns .................................................... 36
Service Parts................................................................. 37
Configuring Conveyor Part Number............................ 37
Flat Belt Conveyor ................................................... 37
Cleated Belt Conveyor ............................................. 37
Return Policy................................................................... 38
Introduction
Upon receipt of shipment:
• Compare shipment with packing slip. Contact factory
regarding discrepancies.
• Inspect packages for shipping damage. Contact carrier
regarding damage.Accessories may be shipped loose.
• See accessory instructions for installation.
The Dorner Limited Warranty applies.
Dorner AquaPruf conveyors are covered by Patent Numbers
7,207,435, 7,246,697, 7,383,944, additional patent pending
applications, and corresponding patents in other countries.
Dorner reserves the right to make changes at any time
without notice or obligation.
Dorner has convenient, pre-configured kits of Key Service
Parts for all conveyor products. These time saving kits are
easy to order, designed for fast installation, and guarantee
you will have what you need when you need it. Key Parts
and Kits are marked in the Service Parts section of this
manual with the Performance Parts Kits logo .
Intralox is a registered trademark of Laitram L.L.C. in the
United States and / or other countries.
CAUTION
CAUTION
Some illustrations may show guards
removed. DO NOT operate equipment without
guards.
NOTE
Proper conveyor application, cleaning, and
sanitation are the responsibility of the end
user.

851-651 Rev. C 3 Dorner Mfg. Corp.
7600 Ultimate Series CE End Drive Conveyors
Warnings - General Safety
Warnings - General Safety
DANGER
SEVERE HAZARD!
KEEP OFF CONVEYORS. Climbing, sitting,
walking or riding on conveyor will result in
death or serious injury.
DANGER
EXPLOSION HAZARD!
• DO NOT OPERATE CONVEYORS IN AN
EXPLOSIVE ENVIRONMENT. The electric
gearmotor generates heat and could ignite
combustible vapors.
• Failure to comply will result in death or
serious injury.
WARNING
CRUSH HAZARD!
• DO NOT place hands or fingers inside the
conveyor while it is running.
• DO NOT wear loose garments while
operating the conveyor. Loose garments
can become caught up in the conveyor.
• Failure to comply could result in serious
injury.
WARNING
CRUSH HAZARD!
• SUPPORT CONVEYOR SECTIONS PRIOR
TO LOOSENING STAND HEIGHT OR ANGLE
ADJUSTMENT SCREWS.
• Loosening stand height or angle
adjustment screws may cause conveyor
sections to drop down, causing serious
injury.
WARNING
SEVERE HAZARD!
LOCK OUT POWER before removing guards
or performing maintenance. Exposed moving
parts can cause serious injury.
WARNING
BURN HAZARD!
DO NOT TOUCH the motor while operating, or
shortly after being turned off. Motors may be
HOT and can cause serious burn injuries.
WARNING
PUNCTURE HAZARD!
Handle drive shaft keyway with care. It may
be sharp and could puncture the skin,
causing serious injury.
WARNING
SEVERE HAZARD!
• Dorner cannot control the physical
installation and application of conveyors.
Taking protective measures is the
responsibility of the user.
• When conveyors are used in conjunction
with other equipment or as part of a
multiple conveyor system, CHECK FOR
POTENTIAL PINCH POINTS and other
mechanical hazards before system start-up.
• Failure to comply could result in serious
injury.

Dorner Mfg. Corp. 4 851-651 Rev. C
7600 Ultimate Series CE End Drive Conveyors
Product Description
Refer to (Figure 1) for typical conveyor components.
Figure 1
Typical Components
1Conveyor
2 Belt (Flat Belt Shown)
3 Return
4 Support Stands
5DriveEnd
6 Tension End
62
5
4
3
1

851-651 Rev. C 5 Dorner Mfg. Corp.
7600 Ultimate Series CE End Drive Conveyors
Specifications
Flat Belt 7600
Ultimate Series Conveyor
Cleated Belt 7600
Ultimate Series Conveyor
Flat Belt LPZ 7600
Ultimate Series Conveyor
Cleated Belt LPZ 7600
Ultimate Series Conveyor
74 U WW LLL S S C D G
Profile *
BB
Belt Material *
Drive/ Pulley Type *
Cleaning Options *
Idler Stand Location *
Drive Stand Location *
Conveyor Length
Reference *
Conveyor Width
Reference *
Document Language *
74 BB
U
WW LLL S S C SS
Belt Material *
Cleat Spacing *
Cleaning Options *
Idler Stand Location *
Drive/ Stand Location*
Conveyor Length
Reference *
Conveyor Width
Reference *
Document Language *

Dorner Mfg. Corp. 6 851-651 Rev. C
7600 Ultimate Series CE End Drive Conveyors
Specifications
Conveyor Supports
Figure 2
Specifications
Maximum Distances:
1 = 914 mm (3 ft)
2 = 2438 mm (8 ft)**
3 = 914 mm (3 ft)
** For conveyors longer than 3.05 m (10 ft),
install support at frame joint.
1 2 3
Conveyor Width Reference (WW)06 – 36 in 02 increments
Conveyor Belt Width 152 mm (6") – 914 mm (36") in 51 mm (2") increments
Maximum Conveyor Load 97 kg / m2(20 lb / ft2) with a maximum of 4882 kg / m2(1000 lb / ft2)
Belt Travel 305 mm (12") per revolution of pulley
Maximum Belt Speed 71 m / minute (233 ft / minute)
Belt Take-up 51 mm (2")
Conveyor Length Reference (LLL)036 – 999 in 001 increments
Conveyor Length 914 mm (36") – 25.4 m (999") in 25 mm (1") increments
LPZ Section Lengths (LLL)024 – 252 in 001 increments
LPZ Section Length 610 mm (24") – 6401 mm (252") in 25 mm (1") increments
Total LPZ Conveyor Length (L1 +L2 + L3) = Maximum 11.6 m (38') long conveyor
IMPORTANT
Maximum conveyor loads are based on:
• Non-accumulating product
• Product moving toward gearmotor
• Conveyor being mounted horizontally
• Conveyor being located in a dry environment
• Conveyor equipped with standard belt only

851-651 Rev. C 7 Dorner Mfg. Corp.
7600 Ultimate Series CE End Drive Conveyors
Installation
Figure 3
Required Tools
• 17 mm wrench (for hexagonal head fasteners)
• 4 mm hex wrench (for bearing shaft assembly fasteners)
• Level
• Torque wrench
Recommended Installation
Sequence
1. Assemble the conveyor (if required). Refer to
“Conveyors Longer than 3353 mm (11 ft)” on page 7.
2. Install belt returns. Refer to “Belt Return Installation”
on page 10.
3. Install limiter. Refer to “Limiter Installation” on
page 11.
4. Attach guiding (if required). Refer to “Guide
Installation” on page 12.
5. Attach stands. Refer to “Stand Installation” on
page 13.
6. Install the gearmotor. Refer to “Drive Package
Installation” on page 13.
Conveyors Longer than 3353 mm
(11 ft)
Belt and Frame Sections
Typical Standard Belt (Figure 4).
Figure 4
Typical Connection Components (Figure 5).
Figure 5
CAUTION
CAUTION
Dorner recommends cleaning all the “food
zones” prior to placing conveyor into service.
Ensure adequate access is provided for
cleaning and servicing equipment so that the
required level of hygiene can be maintained.
NOTE
Proper conveyor application, cleaning, and
sanitation are the responsibility of the end
user.
CAUTION
CAUTION
Conveyor MUST be mounted straight, flat,
and level within confines of conveyor. Use a
level (Figure 3, item 1), during setup.
1
1Belt
1 Hex Head Cap Screws (x4)
2 Connector Hex Rods (x2)
3 Conveyor Frame
4 O-rings (x8)
1
1
4
1
2
3

Dorner Mfg. Corp. 8 851-651 Rev. C
7600 Ultimate Series CE End Drive Conveyors
Installation
1. Locate the section number sequence etched on each
section of frame (Figure 6, item 1).
Figure 6
2. Position the frame sections in the correct order.
3. Connect the frame sections by bolting the hex post
connectors (Figure 7, item 1) between frame sections.
Be sure O-rings are seated properly on hex post and hex
screws prior to tightening of screws to avoid damage to
O-rings.
Figure 7
4. Place the idler tail (Figure 8, item 1) in the up position.
Figure 8
5. Slide the belt (Figure 9, item 1) on over the conveyor
frame (Figure 9, item 2).
Figure 9
6. Align the sprockets (Figure 10, item 1) with the
cogged drive teeth (Figure 10, item 2) on the inside of
the belt.
Figure 10
CAUTION
CAUTION
Avoid damage to O-rings. Be careful not to
pinch or cut them.
1
1
1
1
2
2
1

851-651 Rev. C 9 Dorner Mfg. Corp.
7600 Ultimate Series CE End Drive Conveyors
Installation
NOTE: The cogged drive teeth on the belt
(Figure 10, item 2) should engage the deep grooves of the
sprocket (Figure 11, item 1).
Figure 11
7. Place the idler tail in the down position, and extend the
tension end to remove excess slack in the belt
(Figure 12).
Figure 12
8. Insert the pull pins (Figure 12, item 1) on the tension
end of the conveyor.
LPZ Conveyors
Knuckles
1. Attach upper knuckle (Figure 13, item 1) to frame
(Figure 13, item 2) with hex rods (Figure 13, item 3)
and bolts (Figure 13, item 4).
Figure 13
2. Attach lower knuckle (Figure 14, item 1) to frame
(Figure 14, item 2) with hex rods and bolts
(Figure 14, item 3).
Figure 14
3. Install wear strips (Figure 14, item 4).
Belt
NOTE: The cogged drive teeth on the belt should engage
the deep grooves of the sprocket (Figure 15, item 1).
Figure 15
1. Slide belt (Figure 16, item 1) over knuckles and onto
top and bottom of wear strips, while aligning the
sprockets (Figure 16, item 2) with the cogged drive
teeth on the inside of the belt.
Figure 16
1
1
1
2
4
2
3
23
12
4
1
1
2

Dorner Mfg. Corp. 10 851-651 Rev. C
7600 Ultimate Series CE End Drive Conveyors
Installation
Guides
1. Install the return guide (Figure 17, item 1) and secure
with push pin.
2. Slide the guides (Figure 17, item 2) and
(Figure 18, item 2) onto the knuckle frame, and secure
with two pull pins (Figure 17, item 3) and
(Figure 18, item 3).
Figure 17 (Upper Knuckle)
Figure 18 (Lower Knuckle)
3. Repeat for opposite side of conveyor.
All Conveyors
Belt Return Installation
Flat Belt
Typical Flat Belt Components (Figure 19).
Figure 19
1. Slide the return shaft (Figure 20, item 1) up and
through the large slot (Figure 20, item 2) in the frame.
Figure 20
2. Push up on the return shaft (Figure 21, item 1) and
slide the notched end of the shaft through the small slot
(Figure 21, item 2) on the opposite side of the frame.
Figure 21
3. Repeat the procedure for all other belt returns.
2
3
3
1
2
3
1 Flat belt returns
1
1
1
2
2
1

851-651 Rev. C 11 Dorner Mfg. Corp.
7600 Ultimate Series CE End Drive Conveyors
Installation
Cleated Belt
Typical Cleated Belt Components (Figure 22).
Figure 22
1. Insert the notched end of the return shaft
(Figure 23, item 1) through the small hole
(Figure 23, item 2) in the inside of the conveyor
frame.
Figure 23
2. Repeat the procedure for all other belt returns.
Both Flat and Cleated Belts
1. Check belt sag by measuring from the top of the return
(Figure 24). Belt sag should not exceed 102 mm.
Follow steps 7 – 9 in the “Belt Installation” section on
page 7 to remove slack from the belt.
Figure 24
Limiter Installation
Flat Belt
Typical Flat Belt Limiter Components (Figure 25).
Figure 25
Cleated Belt
Typical Cleated Belt Limiter Components (Figure 26).
Figure 26
1 Cleated belt returns
CAUTION
CAUTION
Belt sag should not exceed 102 mm from the
top of the returns.
1
2
1
Up to 102 mm
1 Limiter
2 Limiter Support Plates (x2)
3 Hex Head Cap Screws (x4)
1 Limiter (x2)
2 Limiter Support Plates (x2)
3 Hex Head Cap Screws (x4)
2
1
3
1
2
3

Dorner Mfg. Corp. 12 851-651 Rev. C
7600 Ultimate Series CE End Drive Conveyors
Installation
1. Loosely bolt limiter support plate (Figure 27, item 1)
to conveyor frame stand off posts (Figure 27, item 2).
Repeat on opposite side.
Figure 27
2. Insert limiter (Figure 28, item 1) or (Figure 29, item
1) between support plates (Figure 28, item 2) or
(Figure 29, item 2).
Figure 28 (Flat Belt)
Figure 29 (Cleated Belt)
3. Adjust limiter to within 1/32” from belt, and tighten
screws (Figure 27, item 3).
Guide Installation
Typical Guide Components (Figure 30).
Figure 30
1. Position the guide (Figure 31, item 1) so that the flat
surface is facing the belt and then slide the guide onto
the frame rail (Figure 31, item 2).
Figure 31
2. Line up the guide holes with the holes in the frame.
3. Insert the pull pins (Figure 32, item 1) into the holes in
the guide (Figure 32, item 2).
Figure 32
1
2
3
1
2
1
2
1 Guide
2Pullpin
2
1
1
2
1
2

851-651 Rev. C 13 Dorner Mfg. Corp.
7600 Ultimate Series CE End Drive Conveyors
Installation
Stand Installation
Typical Stand Components (Figure 33).
Figure 33
1. Position the stands on a flat, level surface.
2. Attach the stands to the frame (Figure 34).
Figure 34
3. Tighten hex screws (Figure 34, item 1).
Drive Package Installation
Typical Motor Components (Figure 35).
Figure 35
1. Attach the motor (Figure 36, item 1) to the gear
reducer (Figure 36, item 2).
Figure 36
For detailed assembly instructions, refer to the “7600
Series Center Drive Packages Installation, Maintenance
and Parts Manual.”
Belt Tensioning
• Do not tension the conveyor belt.
• Conveyors are shipped at proper tension.
• Over tensioning of the conveyor will cause the conveyor
to run improperly.
• Some belt sag (Figure 37, item 1) is required for proper
operation.
Figure 37
1 Conveyor frame
2 Stand
3 M10 - 1.5 x 16 mm hex head cap screws (x4)
1
2
3
1
1 End drive package
2Motor
1
2
1
2
1
2
1

Dorner Mfg. Corp. 14 851-651 Rev. C
7600 Ultimate Series CE End Drive Conveyors
Preventive Maintenance and Adjustment
Required Tools
• 17 mm wrench (or adjustable wrench)
• 4 mm hex wrench (for bearing shaft assembly fasteners)
• 3 mm hex wrench
• Punch and hammer (to remove belt rod)
Checklist
• Keep service parts on hand. Refer to the "Service Parts"
section starting on page 26 for recommendations.
• Replace any worn or damaged parts.
Cleaning
Routine Cleaning
Dorner recommends cleaning the inside and the outside of
the conveyor on a daily basis. Refer to the following steps to
access the inside of the conveyor.
Standard Conveyors
1. Remove the guides, if applicable, by removing the pull
pins (Figure 38, item 1) that connect the guide
(Figure 38, item 2) to the frame.
Figure 38
2. Tip up idler tail assembly (Figure 39).
Figure 39
3. Lift up on the belt (Figure 40).
Figure 40
Conveyors with Lifters
1. Remove the guides, if applicable, by removing the pull
pins (Figure 38, item 1) that connect the guide
(Figure 38, item 2) to the frame.
NOTE
Proper conveyor application, cleaning, and
sanitation are the responsibility of the end
user.
CAUTION
CAUTION
Dorner recommends cleaning all the “food
zones” prior to placing conveyor into service.
Ensure adequate access is provided for
cleaning and servicing equipment so that the
required level of hygiene can be maintained.
WARNING
SEVERE HAZARD!
LOCK OUT POWER before removing guards
or performing maintenance. Exposed moving
parts can cause serious injury.
1
2

851-651 Rev. C 15 Dorner Mfg. Corp.
7600 Ultimate Series CE End Drive Conveyors
Preventive Maintenance and Adjustment
2. Use the lifter handle (Figure 41, item 1) to raise the
lifters (Figure 41, item 2) and raise the tip up tail
(Figure 41, item 3).
Figure 41
Periodic Cleaning
Dorner recommends complete disassembly of the conveyor
periodically for thorough cleaning.
For conveyor disassembly and reassembly instructions:
• Refer to “Conveyor Belt Replacement” on page 16.
• Refer to “Sprocket and Puck Removal” on page 18.
• Refer to “Reassembling Tail Assemblies” on page 21.
Lubrication
Conveyor Bearings
Conveyor bearing lubrication is required. Dorner
recommends using an H-1 food grade grease.
1. Add grease to the bearing using the zerk fitting
(Figure 42, item 1) on the exterior of the bearing shaft
assembly.
Figure 42
2. On LPZ knuckles, add grease to grease fitting
(Figure 43, item 1).
Figure 43
3. Replace the bearings if they become worn.
Wearstrips and Belt Returns
Replace the wearstrips and belt returns if they become
worn.
For wearstrip and belt return installation instructions:
• For wearstrips, replace as needed, making sure wear
strips are situated securely in the frame slots.
• For belt returns, Refer to “Belt Return Installation” on
page 10.
CAUTION
CAUTION
DO NOT submerge or soak bearing
assemblies. This will reduce the life of the
bearing.
NOTE
Although bearings are sealed, re-greasing is
recommended to increase bearing life. An
H-1 food grade grease is recommended. The
frequency of bearing re-greasing is
dependent upon the application in which the
conveyor is being used. Frequency of re-
greasing will increase with the frequency of
conveyor washing.
31
2
1
1

Dorner Mfg. Corp. 16 851-651 Rev. C
7600 Ultimate Series CE End Drive Conveyors
Preventive Maintenance and Adjustment
Maintaining the Conveyor Belt
Troubleshooting
Inspect conveyor belt for:
• Surface cuts or wear
• Skipping
Damage to belt links or rods, surface cuts and / or
wear indicate:
• Sharp or heavy parts impacting belt
• Jammed parts
• Accumulated dirt
• Foreign material inside the conveyor
• Improperly positioned accessories
Skipping indicates:
• Excessive load on belt
• Worn sprockets or impacted dirt on drive pulley
Damage to belt links or rods indicate:
• Excessive load on belt
• Dirt impacted on sprockets
• Excessive or improper side loading
• Improperly positioned accessories
Conveyor Belt Replacement
Conveyors with Guides
1. Remove the pull pins (Figure 44, item 1) that connect
the guides (Figure 44, item 2) to the frame.
Figure 44
2. Remove the guides (Figure 45, item 1).
Figure 45
3. Follow the belt replacement procedures described in
“Standard Belts” on page 16”.
Standard Belts
1. Place the idler tail assembly in the UP position
(Figure 46).
Figure 46
NOTE
Visit www.dorner.com for complete list of
troubleshooting solutions.
WARNING
SEVERE HAZARD!
LOCK OUT POWER before removing guards
or performing maintenance. Exposed moving
parts can cause serious injury.
1
2
1
1

851-651 Rev. C 17 Dorner Mfg. Corp.
7600 Ultimate Series CE End Drive Conveyors
Preventive Maintenance and Adjustment
2. Lower the quick release arm (Figure 47, item 1) on
one of the stands. Note: if the conveyor is not equipped
with Quick Release (QR Type) stands, it will be
necessary to remove the entire stand. For detailed
instructions, refer to the “Sanitary Support Stands
Installation, Maintenance and Parts Manual.”
Figure 47
3. Slide the old belt (Figure 48, item 1) off the conveyor
frame (Figure 48, item 2).
Figure 48
4. Secure the quick release arm on the stand and repeat
steps 2 and 3 until the entire belt is off the conveyor.
5. Remove the belt returns by pushing up on the return
shaft (Figure 49, item 1) and sliding it through the
large hole (Figure 49, item 2) in the frame.
Figure 49
6. Lower the opposite end of the return shaft
(Figure 49, item 1) and slide it out of the frame.
7. Remove the belt.
8. Replace the damaged or worn belt. Refer to “Belt
Installation” on “Belt and Frame Sections” on page 7
and “Belt Return Installation” “Belt Return
Installation” on page 10.
Conveyor Belt Tensioning
1. If there appears to be too much belt sag, place tip up
idler tail in the down position (Figure 50, item 1).
Figure 50
WARNING
SEVERE HAZARD!
• ONLY DISCONNECT ONE PIVOT BRACKET
AT A TIME AND ONLY IF THE STANDS ARE
BOLTED TO THE FLOOR.
• Disconnecting more than one pivot bracket
at a time or not bolting stands to the floor
can cause the conveyor to tip and may
result in serious injury.
1
1
2
WARNING
SEVERE HAZARD!
LOCK OUT POWER before removing guards
or performing maintenance. Exposed moving
parts can cause serious injury.
CAUTION
CAUTION
Belt sag should not exceed 102 mm from the
top of the returns.
1
2
1
2
3

Dorner Mfg. Corp. 18 851-651 Rev. C
7600 Ultimate Series CE End Drive Conveyors
Preventive Maintenance and Adjustment
2. Remove both pull pins (Figure 50, item 2), and extend
the idler tail to the next groove (Figure 50, item 3) on
the bearing shaft.
3. Continue extending the tension end until the belt is
sufficiently tight (Figure 50).
4. Reinsert the pull pins.
• Do not tension the conveyor belt.
• Conveyors are shipped at proper tension.
• Over tensioning of the conveyor will cause the conveyor
to run improperly.
• Some belt sag (Figure 51, item 1) is required for proper
operation.
Figure 51
Sprocket and Puck Removal
1. Remove the conveyor belt to access the sprockets /
pucks. Refer to “Conveyor Belt Replacement” on
page 16.
2. Remove the desired sprocket / puck by following these
instructions:
• A - Drive Sprocket Removal
• B - Idler Puck Removal
A - Drive Sprocket Removal
1. Remove the plastic cap on the end of the motor and
remove the socket head screw(Figure 52, item 1) and
the bore plug (Figure 52, item 2).
Figure 1
Figure 52
2. Remove the bottom gearhead mounting bar
(Figure 53, item 1) from the motor mounting bracket
(Figure 53, item 2). Remove spacer
(Figure 53, item 3).
Figure 2
Figure 53
3. Remove the top gearhead mounting bar
(Figure 54, item 1) from the motor mounting bracket
(Figure 54, item 2).
Figure 3
Figure 54
WARNING
SEVERE HAZARD!
LOCK OUT POWER before removing guards
or performing maintenance. Exposed moving
parts can cause serious injury.
WARNING
PUNCTURE HAZARD!
Handle drive shaft keyway with care. It may
be sharp and could puncture the skin,
causing serious injury.
1
2
1
1
2
3
1
2

851-651 Rev. C 19 Dorner Mfg. Corp.
7600 Ultimate Series CE End Drive Conveyors
Preventive Maintenance and Adjustment
4. Slide the gearmotor assembly (Figure 55, item 1) off
of the drive spindle (Figure 55, item 2).
Figure 4
Figure 55
5. Remove the drive spindle key (Figure 56, item 1)
from the drive spindle keyway (Figure 56, item 2).
Figure 5
Figure 56
6. Remove the pull pin (Figure 57, item 1).
Figure 57
7. Slide the drive tail assembly out of the take up blocks
(Figure 58).
Figure 58
8. Slide the motor support bracket (Figure 58, item 1)
off the drive spindle (Figure 58, item 2).
9. Remove the sprockets (Figure 58, item 3).
1
2
1
2
1
21
3

Dorner Mfg. Corp. 20 851-651 Rev. C
7600 Ultimate Series CE End Drive Conveyors
Preventive Maintenance and Adjustment
B - Idler Puck Removal
1. Remove the pull pins from take up blocks (Figure 57).
2. Slide the idler tail assembly (Figure 59, item 1) out of
the take up blocks (Figure 59, item 2).
Figure 59
3. Remove the bearing cover (Figure 60, item 1).
Figure 60
4. Use a hex wrench (Figure 61, item 1) to loosen the
bearing shaft assembly fasteners (Figure 61, item 2).
Figure 61
5. Slide the bearing shaft assembly (Figure 62, item 1)
washer off (Figure 62, item 3), O-ring
(Figure 62, item 4), and flanged puck
(Figure 62, item 5) off the idler shaft
(Figure 62, item 2).
Figure 62
6. Remove the guard bar (Figure 63, item 1).
Figure 63
7. Remove the pucks (Figure 63, item 2).
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