Sam 6 TONNE SINGLE AXLE Technical reference manual

P1
3.8, 5 AND 6 TONNE COMBO SPREADERS
800mm wide floor-belt
All models from 2015
www.samfarmmachinery.com
INSTRUCTION AND
PARTS MANUAL
6 TONNE SINGLE AXLE (AUS)
3.8 TONNE SINGLE AXLE (AUS)
Strong. Simple. Smart.
AU

P2 INTRODUCTION
MODELS
This Instruction and Parts Manual covers all Australian 3.8, 5 and 6 Tonne SAM Combo Spreaders fitted with an
800mm floor-belt manufactured since 2015.
For all other SAM Machinery Instruction Manuals please visit www.samfarmmachinery.com
SERIAL NUMBER
All SAM Machinery products are identified with a unique serial number located on the front of the machine
(e.g. ‘15 S 1234’). Please include this number with all parts and servicing enquiries so we can provide you with fast
and accurate assistance.
INTRODUCTION
Coombridge & Alexander have created SAM Fertiliser Spreaders from over 70 years’ experience making
agricultural machinery. SAM Spreaders are the gold standard for spreading techniques throughout Australasia.
Strong, simple and smart, each machine is handcraed from the very best materials and componentry we can find.
They are known for their practical design and easy to use operation.
A family-owned and operated company, Coombridge & Alexander control the complete manufacturing process of
the iconic SAM range: Fertiliser Spreaders, Combo Spreaders, Orchard Spreaders, Feed Wagons, Hydraulic Trailers
and Quick Hitches.
We stand by the quality of all of our products - our team have put the hard work in so you can expect a long working
life out of your gear. All the best with your new SAM. We trust you will love it.
For all parts, servicing or support enquiries please contact your local dealership.
www.samfarmmachinery.com
instagram / @sammachinery
facebook / @newsfromSAM
MODEL DETAILS
MODEL
SERIAL NUMBER
Proudly NZ-made since 1946
Serial Number:
Call + 64 7 847 8492 | 0508 726 726
Visit www.sammachinery.co.nz
Email info@sammachinery.co.nz
HQ Maeroa Road, Hamilton, New Zealand
18S1234

P3
INTRODUCTION QUALITY GUARANTEE AND WARRANTY
QUALITY GUARANTEE
SAM Machinery products are guaranteed against any defects in either material or manufacture for a period of
24 months from delivery date provided that the equipment has not been subject to abuse or misuse, operated
incorrectly, over loaded or used for purposes other than for which the equipment is designed or is not maintained
correctly or if fitted with other than genuine parts.
Claims are only valid when approved by the manufacturer. No person or agent is authorised to assume any
liability.
As the use of the equipment is outside our control we can only guarantee quality. No liability for loss, direct
expenses incurred from the use of this equipment or from any other cause of in respect of performance etc. can be
accepted.
Defective parts must be returned freight paid to the distributor or available to be inspected as directed. Should such
parts prove to the manufacturers satisfaction to be faulty - repair of - replacement of defective parts shall
constitute fulfillment of guarantee obligations. Parts destroyed, lost or tampered with nullify guarantee.
WARRANTY
SAM Machinery products as designed and supplied by Coombridge & Alexander Ltd, are warranted against faulty
workmanship and defective materials for a period of 24 months from date of purchase. Such warranty is subject to
the following conditions:
1. That the basic maintenance (as noted in p5) is followed.
2. This warranty covers the repair or replacement of parts or machinery sold by Coombridge &
Alexander Ltd and damaged as a result of faulty workmanship or faulty materials.
It does not extend to any other loss or damage including consequential loss or damage to other
property or persons.
3. No responsibility will be accepted for repairs made other than by Coombridge & Alexander Ltd without prior
authorisation by Coombridge & Alexander Ltd.
a. Without limiting the generality of paragraph 1. above, this warranty does not cover the following;
b. Losses sustained through delay in delivery
c. Travel expenses
d. Damage caused by accident, misuse or abuse
4. Damage to any goods which have been altered or modified by someone other than Coombridge &
Alexander Ltd or its authorised dealers.
5. Procedure for recovery under warranty;
1. No loss or damage will be covered under warranty unless the following procedure is followed by
the purchaser.
1. If the purchaser is an authorised dealer -
a. PFG Australia Ltd must first be advised of details of the goods concerned, the loss or
damage sustained and the circumstances in which the loss or damage arose.
b. Aer consultation with Coombridge & Alexander Ltd they will then decide if such loss or
damage is within the terms of warranty and shall advise the dealer as to how the loss or
damage is to be repaired.
2. If the purchase is not an authorised dealer -
a. The loss or damage should be reported directly to PFG Australia Ltd who will consult with
Coombridge & Alexander Ltd, PFG Australia will advise whether it is covered by the
warranty and direct the purchaser accordingly as to what action is to be taken.

P4
BASIC SAFETY
Many agricultural machines have potentially dangerous moving parts, which can cause serious or fatal
injuries. Remember;
1. Read ALL warning labels on the machine and ensure you understand operating instructions
2. Turn o the tractor before removing any guards, blockages or servicing the machine
3. Never use your hands or fingers to check for hydraulic oil leaks
4. Keep at least 15 metres distance from the spinner discs when operating
5. Do not use the machine in steep areas where there is a high-risk of rollover occurring.
OPERATIONAL CHECK
Before you start work with a machine there are a few basic checks that can be carried out. Ask yourself:
1. Is the machine you intend to use suitable for the job e.g. in good working order and safe to use?
2. Are all safety devices such as guards in place and working correctly?
3. Are there any known mechanical defects – pay particular attention to items such as wheels and tyres,
and moving parts?
4. Are you (or the operator) properly trained to do this job/use this machine?
5. Has the instruction manual for the machine been provided, read and understood?
6. Is the right personal protective equipment (PPE) available and worn?
7. Has a risk assessment been carried out?
8. Has the work been properly planned and communicated to those who may be at risk?
9. Is the machine operator competent to do the job safely?
10. Hitching and attachment points for trailed machinery, check that it has been safely attached to the
towing vehicle such as a tractor. Pay attention to the condition of drawbar/pick-up hitch, and hitch rings,
pins, clips etc.
11. Carry out any pre-use checks as specified in the operator’s manual.
HEALTH & SAFETY RISK ASSESSMENT
A hazard identification, assessment and control procedure has been conducted on a representative SAM
Fertiliser Spreader and where necessary appropriate risk control measures have been outlined below;
HAZARD HARM CONTROLS
Contact, impact or entanglement from
moving parts/ loose objects inc. gears,
chains, sprockets, spinner shas and
discs, and wheels.
1. Deep cuts or amputation
2. Bruising
3. Fractures
Avoid wearing loose clothing,
jewelery or gloves - they increase the
risk of entanglement.
Stand a safe distance from the machine
when under operation.
Leaking hydraulic hoses and/or cou-
plings.
1. Leaking oil may get into skin
2. Skin and eye irritation
3. Breathing diiculties
Apply a programme preventive
maintenance (hydraulic hoses and
hydraulic hose couplings).
Leaking oil, or bulging or abraded hose
walls, must have faulty parts replaced.
Never use hands or fingers to
detect leaks.
Wear appropriate PPE
(personal protective equipment).
Tractor and/or Fertiliser Spreader roll-
over due to instability under varying
conditions and terrain.
1. Serious injury
2. Fatality
DO NOT use the machine in steep areas,
or on unstable ground.
BASIC SAFETY

P5
BASIC MAINTENANCE
To keep your SAM Spreader in excellent working condition, please follow these basic maintenance
procedures as you go.
1. Keep your machine fairly clean and very well greased.
2. Before each use; check the hydraulic system for signs of oil leaks or wear. Check there is no play in the spinner
bearings by liing up on the spinner discs. Tension the spinner bearings by tightening the large nyloc nut at
the top of the spinner sha (this can be adjusted by undoing the grub screws).
3. Aer every five hours of operation grease all nipples on the front and back floor shas, and the four spinner
sha bearings should be well greased.
4. Aer every ten hours of operation check all bolts are tight, including the wheel nuts, joiners and
spinner discs and vanes. Check all nipples and grease points on the front floor adjusters slides,
drawbar jack, clutch pivot bearings, back door jack, hubs and tandem axle pivot points.
5. The floor-belt should be tensioned with a 40mm sag below the middle of the chassis, with an even curve/sag
from front to back. Adjust when necessary.
6. All roller chains should be kept well oiled, particularly during long periods of storage.
7. Check the couplings above the spinner tubes stay approximately 2mm between the top and bottom halves.
8. Keep conveyor greased and belt tracking in the centre of the rollers (by adjusting at the non-drive end).
9. Check your linkage/tow pins.
10. Always ensure tractor oils are kept in excellent condition. Beware when changing a Spreader between
dierent tractors. Pump oil out of the hoses unless they use the same hydraulic oil.
11. If you have load cells, please make sure the bolts are regularly tightened.
12. Avoid high pressure hosing/waterblasting around your load cells, sensors and monitor if you have them.
13. Disconnect electronics when welding on this machine. Welding may destroy electronics.
Please keep these checks up for the lifetime of your SAM.
BASIC MAINTENANCE
WARNING
(Both may destroy electronics)
DO NOT WELD ON THIS MACHINE
DO NOT USE HIGH PRESSURE CLEANING
ON ELECTRONICS
(load cells, display, sensors or junction box)

P6
Before starting work with your SAM Combo Spreader please read the following application and set-up
instructions to ensure safe and productive operation.
SPREAD RATE SETTING
The required fertiliser application rate can be set by adjusting the back door jack and viewing the spread rate sticker to
achieve the desired rate per hectare. The floor-belt speed is ground-driven from the wheel
ensuring the application rate at the desired back door setting will remain constant regardless of tractor speed.
The back door settings on the spread rate sticker are a guide only. Note, various fertiliser products will flow dier-
ently. We recommend applying the the first bin load of product onto a measured
paddock/area and carefully checking application rates to ensure spread rate accuracy.
We have included a more comprehensive spread rate chart, that includes product densities for a
selection of known fertiliser products within this manual for your reference. The spread rate (back door settings) are
typically very similar for fertiliser products of the same density and granule type.
SPREADING CENTRES
We recommend spreading at 15 metre centres for granulated fertiliser products and 10 metre centres for powered or
fine granulated products such as Lime. Within the included spread rate chart we have also included spreading rates
at 17.5 and 20 metre centres if required. For fertiliser application rates over 500kg per hectare we suggest selecting
closer spreading centres with a lower back door setting.
SPREADING ORGANIC MATERIAL
When spreading organic material we recommend removing the Vee Divider (marked A above) and bolting this onto
the holder marked B (above). When spreading chemical fertilisers the Vee Divider must always be fitted in the
original position (and not bolted to the holder).
If an internal mesh is fitted, we recommend removing it from inside the polyethelene bin when spreading
organic material, lime or urea.
GROUND DRIVE
The SAM Combo Spreader has one ground drive speed.
HYDRAULICS
Standard SAM Fertiliser Spreaders are fitted with two OMP50 hydraulic motors running in series, requiring an
external oil flow of 50 litres/minute.
It is very important that you adjust the hydraulic oil flow from the tractor back to 50 litres/minute
if possible (or 70 litres/minute maximum). Two OMP50 hydraulic motors can be run in series with hydraulic oil
SET-UP AND OPERATION - PLEASE READ
SET-UP OPERATION
A
B

P7
flows over 70 litres/minute. Note, the higher the bypass oil flow, the higher the pressure in the Fertiliser
Spreader’s hydraulic system.
COUPLING THE HYDRAULICS
The live hose (red) must be coupled to a high pressure outlet point on the tractors external hydraulic system.
This take o point can be fitted to an existing double acting valve already fitted for farm machinery, or a new fitting
can be installed.
The return hose (yellow) must be coupled into the same double acting bank using the quick release coupling
supplied.
HYDRAULIC OPERATION
The floor-belt has an in/out clutch (including a double acting clutch ram) that is activated automatically from the
tractor seat when the hydraulic spinners are started.
To start the hydraulic spinners and engage the clutch, pressurise the live (red) hose, this will place the clutch into
gear and subsequently start the hydraulic spinners turning.
To stop the hydraulic spinners and place the clutch out of gear, move the hydraulic lever to pressurise the return
(yellow) hose for one second then place the lever to neutral.
The hydraulic spinners and valve control must be coupled to the tractors hydraulic system to ensure safe operation.
Please contact your local dealership or Coombridge & Alexander directly if there is any doubt. Note, the adjustable
control valve on the hydraulic valve block (controlling the spinner speed) is pre-set in the factory and should not be
altered.
VALVUE CONTROL SETTINGS (PRESET)
Danfoss OMP 50 Motor - running in Series = With the valve completely closed open anti-clockwise 1 7/8 turns out
for 850 RPM (then set the lock nut)
ALWAYS ensure tractor oils are kept in excellent condition. Beware when changing a Fertiliser Spreader between
dierent tractors, pump oil out of the hoses unless they use the same hydraulic oil.
Please contact your local dealership directly for operational support.
SET-UP AND OPERATION - PLEASE READ
SET-UP OPERATION

P8
12345 78
10
9
11
12
PARTS MANUAL - SAM 3.8T, 5T & 6T COMBO SPREADER
MACHINE SIDE-VIEW
REFERENCE PART NUMBER DESCRIPTION QTY.
1*
3103 Wheel & Tyre - 11.5/80 x 15.3 (12ply)
2-43107 Wheel & Tyre - 400/60 X 15.5 (TR Tread)
3948 Wheel & Tyre - 550/60 x 22.5 (16ply)
2 P250 Chain & Sprocket - Drive Housing S/S (see Ground Drive diagram) 1
3 - Ground Drive - Gear Assembly (see Ground Drive diagram) 1
4 P4697 Belt & Floor Chain Tension Adjusters - Le/Right 2
5P4826 Front Sha (Complete) 1.5” - (inc. Sprockets + Spacer Ring) 1
76535 Front Bin Skirt Rubber 1
8 1609 Serial Number Plate 1
9 3796 Hose Kit - D200 1
10 P1402 Jack Stand (70sq) - DG701 1
11*
P3145D Fixed Tow Hitch (16mm Mounting Plate) - 50mm Donut Eye
1
P3145 Fixed Tow Hitch (16mm Mounting Plate) - 37mm Ball Eye
P3557B Swivel Tow Hitch (16mm Mounting Plate) - 37mm Ball Eye
P3557 Swivel Tow Hitch (16mm Mounting Plate) - 50mm Ball Eye
P2102 Swivel Tow Hitch (20mm Mounting Plate) - Ball/No Ball
12* - Hub & Stub 2-4
* Wheel & Tyre, Tow Hitch and Hub & Stub set-up varies depending on machine model, size and year of
manufacture. Please include the machine serial number with all parts and servicing enquiries.
PARTS PARTS

P9
PARTS
1
2
5
4
3
6
7
9
8
10
11
12
13
PARTS MANUAL
MACHINE REAR-VIEW - SPINNER SET-UP
REFERENCE PART NUMBER DESCRIPTION QTY.
1P4751 Danfoss OMP32/8 Hydraulic Motor 2
2* P3040 Skirt Pressing (S/S) - (inc. Rubber + Rivets) - Le/Right 2
P4686 Skirt Rubber & Rivet Set - x2 (2.77 x 80mm) + 34 Rivets 1
3* P3067 Floor-belt and Chain (Complete) 1
4P4882 Spinner Tube Mounting Frame 1
5 P4857 Deflector + Divider S/S Panel (Complete) 1
6 P2101 Back Door Jack - Combo 1
7 P4810 Hydraulic Flow Control Valve - HCV 2197 1
8 P440 Flexi Coupling CA90 - 25mm/1” 2
9 3424 UNF Nyloc Nut 1 1/4” & Grubscrew 3/8” 2
10 P4695 Mollybush Bearing and Housing - Long/Short 2
11 P4683 Back Sha - 50mm (Complete inc. 5T Sprockets) 2
12 P20H Spinner Tube - Complete 1
13 P2103 Spinner Vanes - Set 5CR12 Vanes
P4684 Spinner Vanes - Set 5CR12 Vanes + Welded Bis Inserts 1
* Floor-Belt and Chain, Skirt Pressings, Couplings and Back/Front Shas vary depending on machine model, size and year
of manufacture. Please include the machine serial number with all parts and servicing enquiries.
PARTS

P10
1
5
7
64
3
2
PARTS
PARTS MANUAL
GROUND DRIVE
REFERENCE PART NUMBER DESCRIPTION QTY.
1 P4704 3/4” Stainless Steel Ram Pin & S10 R Clip 1
2 4282 Clutch RAM - 2.5” D/A - 5 and 6T Combo 1
3 4011 & 4012 Bolt 3/4”x5”UNC & Nyloc Nut 3/4”UNC 1
4 (Enclosed)
P0424 Chain 16B (1” Pitch) - 46 Outer Links + Joiner 1
3694 Sprocket 30T - 50mm Bore, 1/2” Keyway 1
P4689 Mollybush Bearings - Gearbox 2
2824 or 4074 Sprocket 11T or 15T, 1.5” Bore, 3/8” Keyway 1
5 P4668 Drive Gear 48T - 20mm Bisalloy 1
6 P1005 Shear Plate Assembly Complete with 1.5” ID Boss 1
7P4670 Drive Gear 22T - Bisalloy - 140mm Bore - 13C - (20mm) 1
* Ground-drive set-up varies depending on machine model, size and year of manufacture. Please include the machine
serial number with all parts and servicing enquiries.

P11
PARTS
BEARING SIZES BY HUB MAKE / MODEL
HUB MAKE / MODEL HUB SIZE BEARINGS SEAL HUB CAP
ADR Mk2 60sq 30211 / 30208 100 x 57 x10 Mk2 80mm
ADR Mk3 60sq 30211 / 30208 100 x 56 x 10 Mk3 80mm
ADR Mk3 70sq 30213 / 32210 120 x 67 x 10 Mk3 90mm
ADR Braked 70sq Braked 30213 / 32210 120 x 67 Mk1 90mm
ADR Mk3 80sq 32215 / 32212 130 x 77 x10 Mk3 110mm
ADR Mk5 60sq 30211 / 30208 100 x 73 x 13 Mk5 80mm
ADR Mk5 70sq 30213 / 32210 120 x 93 x 13 Mk5 90mm
ADR Mk6 60sq 30211 / 30208 100 x 56 Mk6 82mm - Screw on
ADR Mk6 70sq 30213 / 32210 120 x 67 Mk6 92mm - Screw on
ADR Mk6 80sq 32215 / 32212 130 x 77 Mk6 124mm (+ Cap Screws)
ADR Mk7 60sq 30211 / 30208 80 x 100 x 8 82mm - Screw on
ADR Mk7 70sq 30213 / 32210 100 x 120 x 8 Screw on
ADR Mk7 80sq 32215 / 32212 110 x 130 x 8 124mm (+ Cap Screws)
FAD 60sq 30211 / 30208
100 x 70 x 10
100 x 65 x 10
100 x 60 x 10
80mm
FAD 70sq 30213 / 30210 120 x 80 x 12 90mm
FAD 80sq 32215 / 32211 130 x 90 x12 100mm
TVS 60sq 30211 / 30208 100 x 80 x12 80mm
TVS 70sq 32213 / 32210 120 x 90 x12 90mm
TVS Braked 70sq & 80sq Check Check 90mm & 110mm
TVS 80sq 32215 / 32212 130 x100 x14 110mm
Monroc 60sq 30211 / 30207 105 x 72 x10 73.5mm - Screw on
Monroc 80sq 30215 / 32211 135 x 95 x 14 101.5mm - Screw on
COMMON BEARING SIZES AND DIMENSIONS
BEARING INTERNAL DIAMETER (ID) OUTSIDE DIAMETER (OD) WIDTH
30208 40mm 80mm 19.75mm
30210 50mm 90mm 21.75mm
32210 50mm 90mm 24.75mm
30211 55mm 100mm 22.75mm
32211 55mm 100mm 26.75mm
32212 60mm 110mm 29.75mm
30213 65mm 120mm 24.75mm
32213 65mm 120mm 32.75mm
32215 75mm 130mm 33.25mm
67048 / 010 1.25” 2.328” 0.625”
COMMON BEARING SIZES AND DIMENSIONS
BEARING SIZES

P12
QUESTION / PROBLEM SOLUTION
What is the spreader bin capacity?
3.8t Fertiliser Spreader = 3m3 of fertiliser
3.6t of Superphosphate (1.2t/m3 density)
4.8t of Lime (1.7t/m3 density)
2.3t of Urea (0.8t/m3 density)
5t Fertiliser Spreader = 4.25m3 of fertiliser
5t of Superphosphate (1.2t/m3 density)
6.8t of Lime (1.6t/m3 density)
3.2t of Urea (0.77t/m3 density)
6t Fertiliser Spreader = 5m3 of fertiliser
6t of Superphosphate (1.2t/m3 density)
8t of Lime (1.6t/m3 density)
3.8t of Urea (0.77t/m3 density)
How does the automatic clutch work?
As the hydraulic spinners are engaged (live hose
pressurised) oil closes a hydraulic ram inside the clutch assembly
engaging the two ground-drive gears to start the floor.
When the hydraulic spinners are stopped (return hose
pressurised) and the lever returned to neutral, the two ground-
drive gears are disengaged stopping the floor-belt.
The system can be engaged or disengaged while moving.
What is the life expectancy of the gears?
As the gears only engage at low pressure they should last many
thousands of tonnes before
requiring replacement.
What paint treatment does the chassis
receive?
The chassis is firstly sand-blasted, then thermal-arc spray
galvanised, primed, followed by a final two-pot epoxy
top-coat.
Can I get dierent wheel/tyre options? A variety of tyre options are available for each model.
Please contact your local dealership directly for more information.
How do I prevent Urea blocking the back
door exit?
A sheet of chicken wire with 1/2”/1.5cm gaps (or similar) can be
fixed to the existing mesh grill inside the spreader bin to prevent
larger clumps of product blocking the back door exit.
TROUBLESHOOTING
TROUBLESHOOTING
If you are experiencing a problem or have a question that is not listed in the chart below, please contact
your local dealer directly.

P13
TROUBLESHOOTING
QUESTION / PROBLEM SOLUTION
What hydraulic oil flow is required? Standard SAM Fertiliser Spreaders are fitted with two OMP50
hydraulic motors running in series, requiring an external oil flow
of 50 litres/minute.
What RPM should the spinner sha turn at? The spinner sha should turn at approx. 850RPM at
50 litres/minute at 2000psi.
What direction do the spinner discs turn in?
When standing at the back of the machine, the right-hand spinner
disc should turn clockwise and the le-hand
spinner disc anti-clockwise.
How do I prevent fertiliser product falling
out the sides and/or front of the spreader bin
(e.g. striping)?
The side-skirts (running the length of the machine, inside the
plastic bin) and front/rear bin scrapers will require regular
adjustment, particularly when the machine is new. Both the side-
skirts and front/rear bin scrapers are bolted (slotted holes) onto
the machine - these bolts can be simply loosened and the skirt or
scraper maneuvered to be flush with the floor-belt.
What tension should be on the floor-belt and
chain assembly?
The floor-belt should be tensioned with a 40mm sag below the
middle of the chassis, with an even curve/sag from front to back.
What are the minimum and maximum appli-
cation rates for various fertiliser products?
From 45kg/hectare at 15m spreading centres for Urea (and similar
products), and up to 3,000kg/
hectare at 10m spreading centres for Lime.
How accurate is the spread pattern?
Representative machines have been tested using the
nationally recognised Spreadmark test for accuracy. Spread
patterns are rated using Coeicient of Variation (CV), a
measure of the percentage of fertiliser outside a perfect spread -
0% being a perfect spread pattern.
Standards recognise a CV under 15% as acceptable for nitrogenous
fertilisers (DAP, Urea, Nitroposka Blue etc.). SAM Fertiliser
Spreaders have achieved a 7.1% CV for Urea and 8.1% CV for
Superphosphate - well within industry standards.
TROUBLESHOOTING

P14
SPREADING TABLES
SPREADING TABLES

P15
SPREADING TABLES
The spreading table below is fixed beside the back door of each SAM Fertiliser Spreader. The required fertiliser
application rate can be set by adjusting the back door jack and viewing the spreading table sticker to achieve the
desired rate per hectare - setting the top of the back door level with the selected box.
The ‘DOOR HEIGHT’ side scale (1-20cm) represents the opening space (in centimetres) between the floor-belt and
the back door.
SPREADING TABLES
This manual suits for next models
1
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