Oil Tank & filters

For fibre washers etc. click here, for plain rubber oil pipe see bottom list.

What Oil Should I Use? We recommend that engines with roller bearing big ends be run on monograde oils i.e. single viscosity sae 40 in winter and sae 50 in summer. This is because this type of oil can withstand the high loads experienced in a roller bearing big end where all the force is through just one or two rollers. Monograde oils should not be confused with ‘straight’ oils, which means oil without additives. The principle additive in modern oils is a detergent that is used to keep deposits in suspension until they reach the oil filter. They will also loosen existing deposits and as there is no effective filter this can be disastrous in an engine that is full of ‘grunge’ accumulated over the years. Engines with shell bearing big ends, i.e. Fieldmaster, Huntmaster and Square Four, can use either a monograde or modern multigrade oil. Multigrade oil will lubricate the shells more quickly when the engine is first started which is when most of the wear takes place and so is more suitable for short journeys; it is also cheaper and more easily obtainable. Monograde oil will leak less; the engine will run cooler and quieter, is available as straight oil and is more original!

Do not run a Square Four engine that has not been run for some time unless it has either been rebuilt or has always had regular oil changes. The problem is that the sludge in the oil will solidify in the long oil ways causing them to become blocked. This frequently has the result that the engine seizes sometimes breaking connecting rods in the process. A good indication of the state of the oil system can be obtained by draining the oil tank and determining how much sludge is in sitting in the bottom by poking around with a stick.

Do not forget to clean out the oil tank when rebuilding the engine.

All Models Except Square Four

Part No.

Description

Per

Model

Years

Used oil tanks always in stock, please enquire

0182

Top fixing stud for 5860-51 nuts 1 All 1933-58

0513

Front fixing, bolt 2 S/arm 1954-58

0566

Bolt, rear of tank to frame 1 S/arm 1954-58

0582

Stud for steady clip 1 1954-58

139-53

Short rubber pipe, rocker oil feed to oil tank 1 NH/VH/FH 1955-58

139-53

Short rubber pipe, rear chain oiler to oil tank 1 S/arm 1956-58

1557-36

Banjo bolt, oil pipe to crankcase 2 KH 1955-57

5854-29

Filler cap, screw in, without lettering 1 Not 6 pint tank 1929-58

5854-35

Filler cap (push and turn) no writing 1 6 pint tanks 1935-52

5855-29

Filler cap washer (not suitable push and turn caps) 1 All 1929-58

5857-35

Steady clip 1 6 pint tanks 1935-51

5857-52

Steady clip 1 Plun/Rig 1952-55

5858-52

Fibre packing piece for steady clip (as required) Rig/Plun 1952-55

5860-51

Top fixing to sidecar lug, nut (stud is 0182) 2 All 1933-58

5860-51AQ

Top fixing to sidecar lug, 2 nuts & stud, stainless steel 2 All 1933-58

5861-29

Oil plug and gauze, rear of tank, stainless steel 1 All 1929-30

5861-29

Oil plug and gauze, rear of tank, stainless steel 1 VB/VG/VF 1931-32

5861-52

Filter inside neck of oil tank 1 All 1952-54

5861-55

Filter inside neck of oil tank 1 All 1955

5862-31

Oil plug and gauze, stainless steel, fibre washer is 5895-29 1 Colt/Sloper 1931-32

5862-31

Oil plug and gauze, stainless steel, fibre washer is 5895-29 1 Sing Rig/Plun 1933-55

5874-35

Oil pipe with nut, tank to engine, delivery, chrome 1 Sing 1935-51

5874-52

Oil pipe with nut, tank to engine, delivery, chrome 1 Sing Rig/Plun 1952-55

5874-54

Oil pipe with nut, delivery, chrome 1 Sing S/arm 1954

5874-55

Oil pipe, delivery and return, armoured 2 Sing/FH S/arm 1955-58

5882-35

Oil pipe with nut, tank to engine, return, chrome 1 Sing 1935-51

5882-48

Oil pipe with nut, tank to engine, delivery & return, chrome 2 KH 1948-53

5882-52

Oil pipe with nut, tank to engine, return, chrome 1 Sing Rig/Plun 1952-55

5882-54

Oil pipe with nut, tank to engine, return, chrome 1 Sing S/arm 1954

5882-54

Oil pipe with nut, tank to engine, delivery, chrome 1 FH 1954

5883-54

Oil pipe with nut, delivery, chrome 1 KH 1954

5883-56

Oil pipe, delivery, armoured 1 KH 1955-58

5884-54

Oil pipe with nut, tank to engine, return, chrome 1 KH 1954

5885-54

Oil pipe, tank to engine, return, pattern required 1 FH 1954

5890-35

Oil pipe union on engine, short, delivery 1 Sing 1935-58

5890-35

Oil pipe union on engine, short, return 1 Sing S/arm 1954-58

5891-35

Oil pipe union on engine, long, return 1 Sing Plun/Rig 1935-55

5892-52

Rubber ‘T’’ piece, return pipe to rocker oil feed 1 NH/VH/KH/FH 1952-54

5895-29

Fibre washer for 5862-31 1/2 Sing Plun/Rig 1929-55

5895-35

Oil pipe union washer on timing case 2 Sing 1935-58

5896-29

Oil pipe rubber connection (except when 5892-52 used) 2 All 1929-54

5897-35

Oil pipe hose clip, similar to original, not worm drive 4 All 1929-54

5898-30

Drain plug 1 All 1930-58

5899-30

Oil tank drain plug washer 1 All 1930-58

10376-54

Oil pipe union on crankcase 2 FH 1954-58

S21-2

Oil pipe union nut, 5/16 pipe to engine 2 All 1933-58

Square Four

Part No.

Description

Per

Model

Years

0195A

Oil tank top fixing stud for 5860-51 nuts 1 SQ 4 1937-55

0510

Bolt, clip to frame 1 MK II 1953-58

0510Q

Bolt, clip to frame, stainless steel 1 MK II 1953-58

1545-37

Oil pipe adapter dowel 1 MK II 1956-58

5854-29

Oil filler cap, no lettering, not correct for but fills the hole 1 SQ4 1931-36

5854-32

Filler cap, screw in, without lettering 1 SQ4 1937-52

5854-29

Filler cap, screw in, without lettering 1 SQ4 1953-55

5854-56

Filler cap (push and turn) no writing 1 SQ4 1956-58

5855-29

Filler cap washer (not suitable push and turn caps) 1 SQ4 1929-58

5858-52

Fibre packing piece (as required) SQ 4 1952-55

5860-51

Top fixing to sidecar lug, nut, stud is 0195 2 All 1937-55

5860-51BQ

Top fixing to sidecar lug, 2 nuts and stud, stainless steel 2 All 1937-55

5861-37

Delivery pipe bolt with filter, delivery side, stainless steel 1 SQ 4 1937-58

5862-37

Bolt, return oil connection 1 SQ 4 1937-49

5863-37

Oil pipe adapter on crankcase 1 4G 1937-48

5863-49

Oil pipe adapter on crankcase 1 MK I 1949-52

5863-53

Oil pipe adapter on crankcase 1 MK II 1953-55

5863-56

Oil pipe adapter on crankcase 1 MK II 1956-58

5868-37

Oil pipe adapter dowel 1 SQ 4 1937-55

5869-37

Oil delivery pipe with banjo 1 SQ4 1937-55

5869-56

Oil delivery pipe with banjo 1 MK II 1956-58

5881-55

Oil pipe rubber connection, lower 1 MK II 1955-58

5882-55

Oil pipe rubber connection, upper 1 MK II 1955-58

5894-29

Return oil pipe washer on oil tank 1 4F/4G 1932-48

5895-37

Fibre washer for 5861-37 filter bolt 2 SQ 4 1937-55

5896-37

Oil pipe rubber connection 2 4G 1937-47

5896-49

Oil pipe rubber connection 2 MK I/II 1949-54

5897-37

Oil pipe hose clip, similar to original not worm drive type 4 SQ 4 1937-58

5898-30

Oil tank drain plug 1 All 1937-58

5899-30

Oil tank drain plug washer 1 All 1930-58

The well known Draganfly Cartridge Oil Filter Kit is the best modification that can be made to an Ariel, especially those fitted with plain shell bearings such as the Square Four, Fieldmaster and Huntmaster Twins. Engine life will be improved and when used with modern oils, oil change intervals can be increased by at least 50%. The filter must be fitted in the return line so that the pump will push the oil through; it will not draw it through the feed line as oil is supplied to the engine by gravity. The filters incorporate a bypass valve so that circulation is unaffected should the filter become blocked.

The kits are complete with full instructions and all parts required including a cartridge filter. They also include a specially produced mounting bracket that attaches to the bottom of the rear engine plate between the engine and gearbox, this results in an installation that is not visible but  with a readily accessible filter. All parts are available separately as spares or for other applications or positions. The filter head has 2 off 3/8 diameter plain connections that will take 5/16” bore pipe

Part No.

Description

Per

Models

Years

1521-01

Cartridge oil filter kit 1 Plun/Rig 1929-58

1521-92

Cartridge oil filter kit 1 SQ 4 1937-58

1521B-92

Cartridge oil filter

1521A-92

Bracket, filter head to engine plate 1 SQ4 1937-58

1521A-00

Bracket, filter head to engine plate, not SQ4 1 Plun/Rig 1929-58

1521C-92

Filter head, will require 2 off UN5/8F bolts, or similar

UN5/8F

Bolt, filter head to bracket, 5/16 UNF 2

5896-93

Plain oil hose, 3/8 bore, sold by the inch (25 mm)

5897-95

Hose clips for 3/8 bore hose

5896-01

Plain oil hose, 5/16 bore, sold by the inch (25 mm)

5897-35

Hose clips for 5/16 bore hose

65-8419

Spigot for 5/16 hose to 1/4 BSP oil union

14/042

Gland nut for use with 65-8419 spigot

Oil and Miscellaneous Bits

We have been unable to obtain supplies of the nice but expensive ‘Herringbone’ oil pipe for over a year so we will supply plain black pipe instead.

Part No.

Description

PIP-10

Plain rubber oil pipe, 3/16″ (5 mm) bore, per inch, use 5897-93 clip

PIP-13

Plain rubber oil pipe, 1/4″ (6.5 mm) bore, per inch, use 5897-93 clip

PIP-16

Plain rubber oil pipe, 5/16″ (8 mm) bore, per inch, use 5897-35 clip

PIP-19

Plain rubber oil pipe, 3/8″ (9.5 mm) bore, per inch, use 5897-95 clip

PA-43

Antiwet sumping valve, push-on type 1/4″

PA-44

Antiwet sumping valve, push-on type 5/16″

These hose clips are similar to the original rather than ‘Jubilee’ worm drive type

5897-97

Oil pipe clip 5/16-3/8 (8-10 mm)

5897-93

Oil pipe clip 3/8-1/2 (10-12 mm)

5897-35

Oil pipe clip 1/2-9/16 (12-14 mm)

5897-95

Oil pipe clip 9/16-5/8 (14-16 mm)

5897-37

Oil pipe clip 5/8-11/16 (16-18 mm)

Engine oil See notes on oils above

OI-30A

30 sae, Morris monograde oil with additives, 5 litres

OI-30B

30 sae, Silkolene Chatsworth monograde oil with additives, 5 litres

OI-40A

40 sae, Morris monograde oil with additives, 1 litre

OI-40C

40 sae, Morris monograde oil with additives, 5 litres

OI-40E

40 sae, Silkolene Donington straight monograde oil, 5 litres

OI-40B

40 sae, Silkolene Chatsworth monograde oil with additives, 1 litre

OI-40D

40 sae, Silkolene Chatsworth monograde oil with additives, 5 litres

OI-50A

50 sae, Morris monograde oil with additives, 1 litre

OI-50B

50 sae, Morris monograde oil with additives, 5 litres (weighs 5kg)

OI-50D

50 sae, Silkolene Hardwick monograde oil with additives, 5 litres

OI-50C

50 sae, Silkolene Osmaston, straight monograde oil, 5 litres

OI-MUA

20/50, Morris Magnol, 1 gallon (4.54 litres)

OI-MUB

20/50, Silkolene Silkolube, 5 litres

Other lubricants etc

OI-GRB

Semi-fluid grease, 800gms, sufficient for 1 gearbox (CP/BA gearboxes)

OI-GEA

Gear oil, Silkolene Medium EP90, 1 litre (for GB gearboxes)

OI-GRA

Grease, Silkolene Pro RG2, general purpose, 500 gms

OI-FOA

Fork oil, Silkolene sae 30, 1 litre, enough for 1 set of forks

OI-2STA

2 stroke oil, Silkolene, 1 litre

OI-CHA

Chain lubricant, Aerosol can, 400 ml (UK only, not allowed in aircraft)

OI-PED

Millers VSP Petrol additive, reduces coking up of inlet valves.  Prevents fuel system corrosion and helps to protect components Combats the adverse effects of ethanol in fuel Carburettor anti-icing formula Prevents valve seat recession when used with unhardened valve seats Contains anti oxidant to improve fuel life.

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