HORNER Shearing Longhorn 3.2 User manual

2
LONGHORN 12V INSTRUCTION MANUAL
INTRODUCTION
Contents
Electrical Safety 3
Mounting 4
Attaching exible drive 5
Attaching solid drive 6
Attaching handpiece 7
Lubricating exible driveshaft 8
Lubricating solid driveshaft 9
Troubleshooting 10
Wiring diagram 11
Motor - parts list 12
Motor - technical drawing 13
Flexible driveshaft - technical drawing 14
Solid driveshaft - technical drawing 15
Technical data 16
Introduction
These instructions must be read by any person intending to
use or service the machine.
Purpose of use
This equipment is expressly designed and intended for use
for the shearing of sheep, goats and animals of the Camelidae
family.
The machine should be used in a tidy, dry environment.

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LONGHORN 12V INSTRUCTION MANUAL
ELECTRICAL SAFETY
INTRODUCTION
Important safety information
Battery Safety:
• Don’t use a battery that looks damaged or is leaking
• Don’t use a machine with damaged battery leads
• Don’t smoke or allow naked ames anywhere near the
battery
• Don’t let any metal objects come in contact with the
battery as these could cause a spark and possibly make
the battery explode.
• Don’t remove the power leads while the machine is
running.
To connect your machine to a battery
1. Make sure your machine is switched o.
2. Connect the red lead to the positive (+) on the battery
3. Connect the black lead to the negative (-) on the battery
To disconnect your machine from the battery
1. Make sure your machine is switched o.
2. Remove black lead from negative (-) on the battery.
3. Remove red lead from the positive (+) on the battery

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LONGHORN 12V INSTRUCTION MANUAL
MOUNTING
The machine should be xed securely when in use:
• This prevents damage to the electric ex and avoids
electrical hazards
• Allows the spring to operate correctly when using a solid
drive
Mount the machine so that the exible drive is 20mm clear of
the oor or for solid drives, 10mm clear of the oor.
Driveshafts should be set at least 400mm away from the wall.
400mm
Minimum
Secure xing
10mm
Solid Drive
20mm
Flexi Drive

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LONGHORN 12V INSTRUCTION MANUAL
ATTACHING DRIVE
MOUNTING
Make sure the EasyDrive clamp is in the open position (Fig. 1)
and then push up the outer driveshaft into the base
casting of the machine until the top tting reaches it
shoulder stop (Fig. 2).
Close the EasyDrive clamp to secure the outer drive in
position, the inner drive connects automatically.
Be sure the outer driveshaft is clamped tightly, the clamp
can be adjusted by screwing the clamp lever in or out before
closing the clamp lever.
Fig. 1
Fig. 2
Flexible driveshaft

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LONGHORN 12V INSTRUCTION MANUAL
ATTACHING DRIVE
Make sure the EasyDrive clamp is in the open position (Fig.
1) and then push up the long tube and spring into the base
casting of the machine until the top tting reaches it shoulder
stop (Fig. 2).
Close the EasyDrive clamp to secure the outer drive in position,
the inner drive connects automatically.
Be sure the driveshaft is clamped tightly, the clamp can be
adjusted by screwing the clamp lever in or out before closing
the clamp lever.
Fig. 1
Fig. 2
Solid driveshaft

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LONGHORN 12V INSTRUCTION MANUAL
ATTACHING HANDPIECE
ATTACHING DRIVE
For pin drive machines
• Hang the machine up and attach the driveshaft
• Make sure the machine is turned o
• Push the handpiece onto the drive rmly
• Rotate clockwise, once you feel the handpiece locate into
the bayonet, rotate another full time.
For worm drive machines
• Make sure the machine is turned o
• Push the handpiece onto the driveshaft rmly
• Rotate clockwise
LONGHO
1
2

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LONGHORN 12V INSTRUCTION MANUAL
FLEXI DRIVE LUBRICATION
Oiling the driveshaft
Frequency: after every 4 hours of use
Directions
• Remove the handpiece and the driveshaft
• Add oil into the top of the driveshaft
• Re-t driveshaft to the machine
Greasing the driveshaft
Frequency: After every 40 hours of use or annually
Directions
• Remove the handpiece and the driveshaft
• Unscrew the top EasyDrive male tting
• Unscrew the bottom bayonet tting
• Pull the inner drive from the top of the outer drive
• Grease inner whilst feeding back into the outer
• Re-t the bayonet end
• Re-t the EasyDrive male tting
• Attach driveshaft to the machine
SAE 30
LONGHORN
OIL

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LONGHORN 12V INSTRUCTION MANUAL
SOLID DRIVE LUBRICATION
FLEXI DRIVE LUBRICATION
Oiling the driveshaft
Frequency: After every 4 hours of use
Directions
• Remove the handpiece and the driveshaft
• Add oil into the top of the driveshaft (1)
• Add oil into the top of the long tube (2)
• Oil the elbow cogs (3)
• Oil the holes in the elbow joints (4 + 5)
• Add oil into the oil hole on the short tube (6)
Greasing the driveshaft
Frequency: After every 40 hours of use or annually
Directions (long gut)
• Unscrew the ferule from the solid elbow
• Unhook the long gut from the eye spindle
• Remove the long gut
• Ret the long gut whilst applying grease
• Hook the long gut onto the eye spindle
• Screw the ferule back onto solid elbow
Directions (short gut)
• Slacken the clamp on short tube
• Remove the short tube
• Grease the short gut
• Ret short tube
• Tighten clamp
SAE 30
SAE 30
SAE 30
SAE 30
SAE 30
SAE 30
1
2
3
4
5
6
LONGHORN
OIL
LONGHORN
OIL
LONGHORN
OIL
LONGHORN
OIL
LONGHORN
OIL
LONGHORN
OIL

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LONGHORN 12V INSTRUCTION MANUAL
TROUBLESHOOTING
Problem Cause Solution
Motor does not
start
Poor battery lead
connections
Check connections and
condition of wires / clips
Faulty switch Have switch replaced
Damaged relay Have relay replaced
Burnt out motor Have motor replaced
Motor struggles
to start or runs
slowly
Worn brushes Have brushes replaced
Motor is noisy
Faulty bearings Have bearings replaced
Damaged cooling fan Have cooling fan replaced
Debris in the cooling fan Remove debris or have
machine serviced
Flexi drive is noisy
Lack of lubrication Oil or grease the inner
drive
Damaged/worn inner
drive Replace inner drive
Solid drive is
noisy / vibrates
Lack of lubrication Oil or grease the guts
Damaged/worn guts Replace aected gut
Dry spot on eye spindle Have solid drive serviced
Cannot connect
handpiece
Worn or broken
bayonet/worm end
Replace bayonet/worm
end
Faulty/worn spring in
bayonet end
Replace bayonet spring
and/or bayonet end
Electrical work and servicing should only be
carried out by suitably qualied personnel.

11
LONGHORN 12V INSTRUCTION MANUAL
WIRING DIAGRAM
TROUBLESHOOTING
Problem Cause Solution
Motor does not
start
Poor battery lead
connections
Check connections and
condition of wires / clips
Faulty switch Have switch replaced
Damaged relay Have relay replaced
Burnt out motor Have motor replaced
Motor struggles
to start or runs
slowly
Worn brushes Have brushes replaced
Motor is noisy
Faulty bearings Have bearings replaced
Damaged cooling fan Have cooling fan replaced
Debris in the cooling fan Remove debris or have
machine serviced
Flexi drive is noisy
Lack of lubrication Oil or grease the inner
drive
Damaged/worn inner
drive Replace inner drive
Solid drive is
noisy / vibrates
Lack of lubrication Oil or grease the guts
Damaged/worn guts Replace aected gut
Dry spot on eye spindle Have solid drive serviced
Cannot connect
handpiece
Worn or broken
bayonet/worm end
Replace bayonet/worm
end
Faulty/worn spring in
bayonet end
Replace bayonet spring
and/or bayonet end
M
30
85
87
86
DIODE
PULL SWITCH
RELAY
TERMINAL
BLOCK

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LONGHORN 12V INSTRUCTION MANUAL
MOTOR
Parts list
1 Box Cover 18 Insulated Wire, Relay to
Switch (1.5mm)
2Base Plate 19 Insulated Wire, Terminal
Block to Relay (4mm)
4Motor - Model 3.2 (3,200RPM) 20 Insulated Wire, Terminal
Block to Switch (1.5mm)
5 Motor - Model 3.5 (3,500RPM) 21 Brush
6 Female Coupling 22 Battery Lead Set
7 Drive Clamp 23 Crocodile Clip (Red)
8 Switch Mounting 24 Crocodile Clip (Black)
9 Switch 25 EasyDrive Casting
10 Relay 30 amp, 12 volt 26 Spring Pull Cord
11 Terminal Block 27 Pull Cord Rod
12 Bolt M5x12 28 Pull Cord
13 Bolt M5x20 29 Lock Nut
14 Shake Proof Washer 30 Gland
15 Insulated Wire, Relay to Brush (4mm) 31 Bolt M5x20
16 Insulated Wire, Terminal Block to relay
with Diode (1.5mm)
32 Bolt M5x12
17 Insulated Wire, Terminal Block to Brush
(4mm)
33 Shakeproof Washer
Model Drive Speed Motor Rated Voltage Power Consumption
3.2 3,200 RPM 12V - 14V 11A
3.5 3,500 RPM 12V - 14V 11A

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LONGHORN 12V INSTRUCTION MANUAL
MOTOR
MOTOR

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LONGHORN 12V INSTRUCTION MANUAL
FLEXI DRIVESHAFT
7
5
64
2
3
1
1 H11-507 Outer 4 H18-020 Bayonet Spring
2A H11-505 Inner (Pin) 5 H49-100 Bayonet End
2B H11-506 Inner (Worm) 6 H49-102 Worm End
3H11-039 Male Coupling 7 H49-002 Flexi Ferule

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LONGHORN 12V INSTRUCTION MANUAL
SOLID DRIVESHAFT
17
5
4
1
21
20
19
18
18
18
13
2
2
3
2
3
15
16
14
7
7
8
8
910
12
11
6
1H18-002 EasyDrive Spring
Coupling
2H18-003 Lock Nut
3H18-004 Long Lug Bolt
4H18-005 Spring
5H18-006 Long Tube
6H18-007 Ferule
7H18-008 Eye Spindle
8H18-009 Elbow Joint
9H18-010 Solid Cog
10 H18-011 Elbow Guard
11 H18-012 Joint Cap
12 H18-013 Joint Spring
13 H18-014 Short Lug Bolt
14 H18-015 Short Tube
15 H18-016 Short Gut (Pin)
16 H18-017 Shot Gut (Worm)
17 H18-018 Long Gut (EasyDrive)
18 H49-101 Gut Hook
19 H49-100 Bayonet End
20 H49-102 Worm End
21 H11-039 EasyDrive Male Coupling

Manufactured by Horner Shearing
Lane Side • West Bradford • Clitheroe • BB7 4QH • United Kingdom