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NOZZLE ASSEMBLY 
 

The diaphragm control valve assembly is 
fitted with a quick fit self- aligning cap. 
When fitting the cap and nozzle, the self- 
aligning cap will ensure that the nozzle 
remains in alignment. If the nozzle drips or 
the spray pattern is distorted, this may be 
caused by a minute blockage in the 
diaphragm valve or nozzle. To remove the 
nozzle tip, rotate the cap a half turn 
anticlockwise, when viewing from the front. 
Always ensure the nozzle seal is in place 
on reassembling. 
Treat all components with care, as they are 
precision made to give a long and accurate 
working life. 
 

PUMP AND WHEEL REMOVAL

 

 

Should the pump at any stage during the 
machine’s working life cause trouble it can 
easily be removed and returned to Aztec for 
repair or replacement. Work on the inside 
of the pump can only be carried out by the 
manufacturer and NO attempt should be 
made to dismantle this unit otherwise the 
guarantee becomes invalid. 
If the tyre in the machine is punctured, the 
wheel and pump need to be removed as 
follows: 
 
Remove the stainless steel elbow retaining 
the spring clip and then each of the pipe 
elbows from the pump. These elbows are a 
push fit and are detached by pulling at a 
slight angle. Remove the spring dome nuts 
from either side of the wheel. Pull the pump 
and axle assembly away from the bearing 
spacers, taking care to remember their 
respective positions for re-assembly. To 
reassemble the unit, reverse the foregoing 
operation ensuring that the wheel valve is 
mounted on the opposite side to the pump. 
 

CLEANING AND STORAGE 

 

Always thoroughly clean the sprayer 
after use. 

 Flush through the whole system 

with clean water using a small amount of 
mild household detergent when toxic 
chemicals have been used. It is very 
important not to allow chemicals to dry out 
in the pump mechanism that could 
granulate and score the interior surfaces. 
This could impair the performance of your 
machine.  
Where temperatures below zero degrees 
are likely to be experienced, ensure that all 
liquid has been drained from the machine 

by removing the hose from the pump. This 
elbow is a snap fit and pulls out quite easily 
at a slight angle. Rotate the drive wheel to 
empty the pump and pipe work and 
reconnect the pipe into the pump. A small 
amount of car anti-freeze introduced into 
the pipe and pump system will give 
excellent protection. 

 

DO NOT

 empty chemicals in areas where 

contamination may occur. 
 

 
 
FILTRATION 
 

A basket filter is located under the filler cap 
in the tank and should remain in position at 
all times, except when removing for 
cleaning. Clean as required. 
 

TYRE PRESSURES 
 

The tyre pressure should be maintained at 
20 to 22 p.s.i. DO NOT inflate over 25 p.s.i. 
 

NEVER 

1.  Add concentrated active 

ingredients to an empty tank, this 
will result in pure product entering 
the delivery pump and pipe lines. 

2.  Leave the sprayer in winter storage 

with liquid in the tank or pipe work. 
Severe frost could distort the pump 
and burst the pipes. 

 

ALWAYS

 

 
Ensure the container is half full of clean 
cold water at the outset of your spraying 
operation and the pump primed before 
adding concentrated chemical. 
In the case of highly viscous concentrates 
and soluble powders, pre-dilute the product 
to be applied in a watering can or bucket 
with sufficient water to ensure it is 
completely dissolved. 
Half fill the tank with clean cold water. Add 
the required amount of product and top up 
to the 20 litre (4.4 gallon) level with water 
and replace the cap. Rock the unit 
backwards and forwards a few times to 
ensure satisfactory mixing and then 
commence spraying, maintaining a steady 
pace. If a smaller are is to be treated fill the 
tank to the appropriate level. 
 
The 

RAMBLER

 sprayer stops spraying 

immediately it ceases to travel forward. To 
move the sprayer in a full condition (from 

Summary of Contents for Fieldmaster

Page 1: ...Rambler Sprayer Handbook Operating Instructions Parts List www walkoversprayers com sales walkoversprayers com Tel 0845 521 1209 Fax 01269 844636 ...

Page 2: ...phragm check valve caps and push the machine until water flows through the system Tighten the two caps and then push The machine will then start to spray DO NOT over tighten the diaphragm caps They are fitted in order to clear the spray system of air other small blockages OPERATING INSTRUCTIONS When filling the machine add sufficient liquid treatment to cover the area needing treatment or a pro ra...

Page 3: ...the pump mechanism that could granulate and score the interior surfaces This could impair the performance of your machine Where temperatures below zero degrees are likely to be experienced ensure that all liquid has been drained from the machine by removing the hose from the pump This elbow is a snap fit and pulls out quite easily at a slight angle Rotate the drive wheel to empty the pump and pipe...

Page 4: ... substance which can crystallise if left in the machine after use This solidifies within the pump and nozzles and can in extreme instances completely destroy the pump mechanism Many propriety brands of garden and horticultural chemical are sold in the form of Soluble powder or Crystals The RAMBLER sprayer will satisfactorily apply these chemicals always providing that the crystals or powder are co...

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Page 9: ...1 W1117 Rectangular Clamp 31 1 W1573 ID x 22 Long Durapipe PP Class E 47335 32 1 W2057 Pump Hex Drive 33 1 W1069 Outlet Securing Clip 34 1 W1279 BSP Cap and Liner 35 1 W1276 Elbow Nut 11 16 NPT x Hose Tail 36 1 W1415 ID x x 27 Long Tube Tap to Tank 37 1 W1166 BSP x Hose Tail Elbow 38 1 W1628 BSP Ball Valve 39 1 W1121 BSP x Hose Tail 40 1 W1414 ID x x 24 Long Tube Tap to Tee 41 1 W1125 Equal Tee 42...

Page 10: ... gallons 0 22 1 sq foot 144 sq inches 0 0929 sq metres 1 sq yard 9 sq feet 0 8361 sq metres 1 Acre 4840 sq yards 4046 9 sq metres 1 Hectare 10 000 sq metres 11 960 sq metres 1 Gallon 8 Pints 4 5461 Litres USA Fluid Measurements 1 US Pint 16 fl Oz 0 8327 Imp Pints 0 4732 litres 1 US Gallon 0 8327 Imp Gallons 3 7853 Litres User Notes Date Purchased Serial Number ALWAYS Flush thoroughy after use add ...

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Page 12: ...move nozzle cap by turning the cap one half turn anti clockwise Clean nozzle or replace Replace cap and try machine again 3 Blocked tubes or tank Remove diaphragm control valves and nozzle caps Disconnect a convenient tube joint Using the water pressure from a garden hose force blockage through the system increasing the water pressure as necessary Reassemble when blockage is clear 4 Drop in pressu...

Page 13: ...se nozzle cap by turning the cap one half turn anti clockwise realign nozzle and retighten the cap Mixed nozzles You may have different nozzles fitted Refit matching nozzles as required Machines fitted with an on off tap 6 Machine still sprays when the tap is turned off The return tube to the tank is blocked Remove and flush with garden hose to clear blockage If the unit is being towed the towing ...

Page 14: ...r item manufactured by Walkover that is found to be defective within 12 months from the date of purchase or in the case of a machine used for hire purposes 45 days Walkover undertake to replace the faulty component s free of charge either directly or through authorised dealers This does not affect your statutory rights Walkover operate a policy of continuous improvement and reserve the right to al...

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