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Summary of Contents for Gem

Page 1: ...Howard Rotavator Gem and Super Gem Operating Instructions ...

Page 2: ...e Use an approved petrol container Never removethe cap of the fuel tank or add petrol to a running or hot engine or fill the tank indoors Wipe up spilled petrol 9 Open doors if the engine is run in the garage exhaust fumes are dangerous 1 0 Keep all nuts bolts and screws tight and be sure that the equipment is regularly lubricated to keep it in a safe working condition 11 Keep all safety guards in...

Page 3: ...machine 3 The Howard Gem is THE heavy duty hand controlled Rotavator for growers farmers and contractors From seedbed making to land reclaiming catch cropping to weed control mixing in manure to breaking up pasture the work power and engineering quality of the Gem are unequalled The Gem has three forward gears providing the right speed for any type of work or soil condition A reverse gear gives ea...

Page 4: ... Rotor speed 188 rprn a t 2800 rprn engine speed Rotor widths 51 cm 20 in Standard GEM only 61 cm 24 in Standard and Super GEM 76 cm 30 in Super GEM diesel on1y DEPTH OF CUT Adjustable to 23 cm 9 in maximum 1s t gear 1 54 km h 0 96 mile h 2nd gear 2 3 km h 1 46 milelh 3rd gear 4 9 km h 3 05 mile h Reverse 2 9 km h 1 85 mile h OIL CAPACITY Gearbox 3 4 litres 6 pints Chaincase 25 litre pint Engine s...

Page 5: ...cement Howard parts and trained experienced staff to service your machine correctly Before starting to use your Gem first fill the fuel tank check the gearbox and chaincase oil levels and the lubrication points Check that all nuts and bolts are tight Run the machine lightly at first and gradually increase the loads during the first 25 hours work NEVER allow the engine to labour during this running...

Page 6: ...ver to neutral IVEVER UNDER ANY CIRCUMSTAIVCES TAMPER WlTH THE REVERSE GEAR LINKAGE THE INTER LOCK MECHANISM ISASAFETY DEVICE AND MUST NOT BE INTERFERED WlTH OR REMOVED TURNING It is often found that the machine is most easily turned in reverse gear especially when ground conditions are very wet and sticky w t h a considerable amount of earth adhering to the underside of the shield Prov ded the ro...

Page 7: ...at the engine clutch is adjusted to give in 6 rnm free movement at the handlebar lever Adjust ment should be taken up at the front clutch control arm by means of the wing nut 11 Check tyre pressures 20 p s i 1 4 kg sq cm 12 Check that the weed cutter blades just clear the outside blades of the rotor EVERY 10 HOURS OR DAILY 1 Check the engine oil level 2 Check the level and condition of the air cle...

Page 8: ...A I N TENSION EVERY 25 HOURS CHECK GEARBOX 0 1 1 EVERY 2 5 0 HOURS DRAIN AND RE FILL EVERY 25 HOURS CHECK C H A I N CASE O I L LEVEL I I EVERY 2 5 0 HOURS DRAIN WASH OUT AND RE FILL CHAIN CASE EVERY 1 0 HOURS WATCH FOR SIGNS OF UNDUE ROTOR CLUTCH SLIP ADJUST IF NECESSARY EVERY 25 HOURS CHECK ALL BOLTS AND NUTS FOR TIGHTNESS EVERY I0 HOURS CHECK FOR BENT BLADES AND BLADE BOLT TIGHTNESS ...

Page 9: ...Y 25 HOURS CLEAN O U T SEDIMENT BOWL LEVEL ENGINE SUMP VERY 25 HOURS I l L ROTOR STUB AXLE EVERY 2 5 0 HOURS CHECK HUB NUTS FOR TIGHTNESS RECOMMENDED LUBRICANTS EVERY 25 HOURS CHECK WEED CUTTER BLADES ADJUST IF NECESSARY GEARBOX AND CHAIh CASE 5 A E 9 0 ROTOR DOG CLUTCH ROTOR STUB A X L E US ENGIME OIL DEPTH CONTROL WHEEL IF FITTED ...

Page 10: ... clutch This clutch should only operate w h e n the rotor blades strike an obstacle when despatched from the factory the clutch is adjusted so that n o slip occurs znder normal working conditions If the clutch appears i o slip too easily it can be adjusted b y tightening the four clutch nuts t o fully compress the springs then slackening back each nut half a turn AIR CLEANER The air cleaner oilbat...

Page 11: ...d side of the centre flange s with the heads I of the bolts against the blades and spring washers and nuts against the flange PICTINE ROTOR In addit on a Pictine rotor with flanges closer spaced than the standard rotor IS ava lable for use with pic tines or pasture renovating lucerne tines for very hard soil condit ons or for pasture renovation See Attach ments section page 10 TWISTED BLADE CUTTIN...

Page 12: ... the rotor is put Into gear so that cultivating and furrowing are done simultaneously PICTINE ROTOR The Pict ne Rotor w t h flanges spaced closer than on the standard rotor can be fitted with PIC tines or pasture renovating lucerne tines The pictines have a horizontal ch selpo nt and are used for breaking up very hard ground old tracks etc The pasture renovating tines have a vertical kn fe edge an...

Page 13: ...n The ground may either be left rough or it may be Rotavated to medium depth and sown to a green crop e g rye The green crop will prevent the leaching out of the nitrogen in the soil In the early part of the year the crop is then Rotavated After a week or ten days the spring seed bed may be prepared This Rotavation should be shallower than that used to work in the green crop SEED BEDS In ground wh...

Page 14: ... the best effect on the soil A winter cover crop will preserve plant foods which would otherwise be leached away so it need not be allowed to mature LAND RECLAMATION The Gem may also be used to bring derelict land back into cultivation Virgin ground or soil tightly bound with roots or grass is best cultivated by fjrst working at only a shallow depth to break up the surface Depth can then be gradua...

Page 15: ...HowardRotavator r P Y 7 a A memberof the How Telephone Bury St E d s 0284 6326 ...

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