FEATURES MAIN Main Features Spark Plug/Lead. Exhaust Guard. Engine Cover. Serial No.Label. Engine Start-Grip. Handlebar Securing Knob. Throttle Control. Engine Stop Lever. Handlebar. Fuel Cap. Oil Dipstick. Fuel On/Off Tap. Air Cleaner. Specifications Code Model Engine Honda Engine type GCV135 Fuel type Unleaded petrol Fuel capacity...
INTRODUCTION Thank you for purchasing an Allen machine. The following pages are designed to help you gain safe and efficient service from your machine. IMPORTANT: This ‘Owners Handbook’ should be regarded as part of the mower as it gives essential information regarding mower safety, operation, maintenance and specifications. Read and understand this handbook prior to operating your machine for the first time.
WARRANTY LIMITED WARRANTY The Allen mower business is a subsidiary of Hayter Limited. The manufacturer warrants to the original user/purchaser that this unit shall be free from defects in material and workmanship under normal use and service for a period of one year from the date of purchase.
SAFETY PRECAUTIONS Safety Alert Symbol This safety alert symbol indicates important safety messages. When you see this symbol be alert to the possibility of injury. Carefully read the following and inform others. Your machine is perfectly safe if used correctly. Failure to observe the following precautions may result in serious injury.
SAFETY PRECAUTIONS Preparation - Always use fresh fuel. Stale fuel can block the carburettor and cause leakage. - Replace fuel tank and oil tank caps securely. A damaged cutter device or impeller or both must be replaced. Before use, always visually inspect the cutting mechanism to ensure that it is in good condition.
SAFETY PRECAUTIONS Operation Do not put hands or feet near or under rotating parts. Never pick up or carry the machine while the engine is running. Never touch the exhaust/exhaust guard or cooling fins when the engine is hot. Stop the engine and disconnect the spark plug lead: Stop the engine: Maintenance &...
Maintenance & Storage If the fuel tank has to be drained, this should be done outdoors and when the engine is cool. Wear strong work gloves when removing and reassembling the cutting device. Always replace worn or faulty parts with genuine Allen parts. Safety Alert - Be aware to the possibility of injury.
ASSEMBLING THE MOWER Delivery Checklist Remove the machine from the packaging and check that the following items have been supplied correctly. If any items are missing contact, your local dealer. Main deck, lower and upper handlebars. 1. Handlebar bolt x 2 2.
BEFORE STARTING THE MOWER Prevent Engine Damage To prevent engine damage the engine is shipped without oil or petrol. The engine must be filled with the correct grade of oil and petrol before starting. Always use high quality detergent oil classified SAE 10W-30. Never use additives with recommended oil.
OPERATING THE MOWER Controls Check that the engine stop lever moves freely and returns to it’s rest position when released. Starting - Step 1 Place the throttle control to the start position, ensure that the fuel tap is in the ‘On’ position and the tank vent is open (if fitted). P-000-004-A Step 2 Release the handlebar from it’s parked position.
OPERATING THE MOWER Cutting Grass Start at the outside border of the lawn and go round working towards the centre. Always control the mower with both hands, keeping the mower flat on the ground. Stopping Release the engine stop lever. Emergency stop: Release the engine stop lever.
Remove the retaining bolt with the spanner provided whilst holding the e. Reposition the spacers as required. See diagrams for cutting device Cutterbar 450 / 453 Note for the 446 Hovertrim: One spacer is required above the disc at High all times.
To prevent accidents stop the engine disconnect the spark plug lead before attempting to carry out maintenance procedures on the mower. 1. Finger Guard 2. Carburettor 3. Spark Plug / Lead 4. Exhaust Guard 5. Exhaust 6. Oil filler Cap/ Dipstick 7.
MAINTENANCE MOWER Spark Plug Service Use only an approved spark tester (1) to check for a spark as shown in the diagram. Replace the spark plug every 100 hours or every season, whichever occurs first. A spark plug wrench is available from any authorised Honda service dealer.
Remove grass debris from the top and underside of the deck immedi- ately after use. Securing Nuts & Bolts Regularly check that all securing nuts and bolts are tight. Replace missing or damaged items immediately. Check the oil level daily before starting the engine and ensure that the correct oil level is maintained.
MAINTENANCE MOWER Cutterbar Removal Drain the fuel by running the engine until the fuel tank is empty and the engine stops. Remove the spark plug lead and allow the engine to cool. Turn the mower on its left hand side and ensure that the carburet- tor is uppermost.
MAINTENANCE MOWER Storage Engines stored in excess of 30 days need to be protected with a fuel addi- tive or drained of fuel to prevent gum from forming in the fuel system or on essential carburettor parts. To ensure your mower is maintained in good working order it is important that the following procedure is adopt- ed.
Page 22
TROUBLE PROBLEM Engine will not turn over Engine smokes Engine runs then stops Engine will not start Engine runs rough 1.22 SHOOTING POSSIBLE FAULT Engine stop lever released. Incorrect oil level. Obstruction under deck. Excess oil level. Air cleaner cartridge oil soaked or blocked.
Page 23
PROBLEM Engine vibrates excessively Uneven cut Poor hovering TROUBLE POSSIBLE FAULT Mounting bolts loose. Cutterbar bolt loose. Cutterbar out of balance. Bent crankshaft. Damaged impeller or blade Cutterbar out of balance Engine running slow Impeller air vents blocked Underdeck not clean Blade loose SHOOTING REMEDY...
Deck 446 Deck 450/453 Kit Engine Bolts Key Woodruff D16 X 4 Drive Hub Impeller Mk II Spanner Petrol Decal-Warning Decal 446 Hovertrim Logo Decal 450 Professional Logo Logo Allen Decal A' Logo Decal Stop Decal 453 Hover Prof 1.24 LIST PARTS Part No.
CUSTOMER Serial No: Engine Type:- GCV135 Engine Type:- GCV160 Date of Sale:- Your Local Dealer:- Notes:- INFORMATION Engine:- Honda Engine:- Honda 1.31...
Need help?
Do you have a question about the 446 Hovertrim and is the answer not in the manual?
Questions and answers