AS Zane MAX-105HZ vc: INSTRUCTION MANUAL It Is of vital Importance, before attempting to operate your engine, to read the general 'SAFETY INSTRUCTIONS AND WARNINGS’ section on pages 2-6 of this booklet and to strictly adhere to the advice contained therein. liaison, please study the entire contents of this instruction manual, 30 as to familiarize yourself with the controls and other features of the engine #Keep these Instructions In a safe pace so that you may readily refer to them whenever necessary.
SAFETY INSTRUCTIONS AND WARNINGS ABOUT YOUR 0.5. ENGINE Remember that your engine is not a “toy”, but a highly efficient internal combustion machine whose power is capable of harming you, or others, if it is misused. As owner, you, salons, are responsible for the safe operation of your engine, so act with discretion and care at all times. Ht at some future date, your 0.S. engine Is acquired by another person, we would respectfully request that these Instructions are also passed on to Its new owner.
/\ NOTES This engine was designed for model helicopters. Do not attempt to use It for any other purpose. ® Mount the engine in your mod securely, following the manufacturers’ recommendations, using appropriate screws and lockouts. © Install an effective silencer (outfielder.
AS mas Notes on Installing cooling fan and clutch Do not use a tool which locks piston when Installing a cooling-fan and 0 clutch, or top of the piston may be damaged. Also, do not Insert a screw driver or the similar into the exhaust port. It Is recommended to use Crankshaft Clamp 91/105 (Code No.71520520) available as an optional tool. With this engine, the cover plate cannot be removed when the piston Is at BDC dus to engine construction.
QS man NOTES WHEN APPLYING AN ELECTRIC STARTER tightness, a standard electric starter may have difficulty In rotating the engine when cold, before It has sen adequately run-in. In this case, use a high-torque type starter. Do not over-prime. This could cause a hydraulic lock and damage the engine on application of the electric starter. If over-primed, remove glow plug, close needier-valve and apply starter to pump out surplus fuel.
QS amen Note on heating the glow plug The heat sink head on the engine Is treated with an anodized finish which does not conduct current. Therefore, when heating a glow plug, connect one lead to the glow plug and the other to the shad or cover plate retaining screw. QS am 10 INTRODUCTION The MAX-105HZ has boon developed expressly for 90 size helicopter models. Its mounting mansion Is the same ss the conventional $0 size engines, while the displacement ls Increased by 15%.
ENGINE PARTS NAME QS amy £0, wg Se Throttle Lever 5 Thermos Insulate Media Carburetor Rubber Gasket Idle Durer Control Screw Mixture Control Valve Fue! Inst High Speed Mixture Control Valve Stopper Caf Needle Valve um Speed Needle Valve BEFORE STARTING Tools, accessories, ste. The following items are necessary for operating the Angie H [rems necessary for starting Glow Plug 0:5. No8 Is supplied with the engine. & Battery leads S These ars used to conduct current from the battery to the glow plug.
QS arm Fuse Sal act, by practical sets, ihe most suitable fuse from among the best qua fuels available In your county for helicopter uss. For the best throttle sporrans, a fusee containing 10% to 30% nitro methane is preferable. Lubricants may be either castor of a stable synthetic blend of both) provided that they ars always of top quality. For consistent performance and long engine lf, iris assailant to use fuse containing AT LEAST 13% lubricant by volume.
AS amen INSTALLATION OF THE ENGINE The under surfaces of all O.S. engine beam mounting lugs are precision machined fiat and exactly parallel to the engine's horizontal axis. It Is essential that the engine mounts in the mods! ars also accurately made and aligned. If they are not, they wll cause stress and distortion within the engine Ime, probably resulting In loss of performance and internal damage.
QS am HW INSTALLATION OF THE CARBURETOR As delivered, tha angina has Its carburetor lightly fitted Into Its Intake boss, Secure It as follows. 1. Loosen carburetor retainer screw slight: 2.Insert the carburetor rubber gasket on the carburetor body scurvily. ‘Then, Insert the carburetor in the crankcase. Carburetor Rubber Gasket QS ams Note: In case It Is hard to Insert the carburetor In the crankcase, apply oll on the Thermos Insulate.
QS mans GLOW PLUG Since the glow plug and fuse combination used may have a marked effect on performance and reliability, t would be worthwhile to experiment with different plug types. Recommended O.S. plugs ane Nos, No.7 end No 10 (Comer AS) Carefully Install plug finger-tight, before final tightening with the correct size plug ‘wrench, B The role of the epiglottis With a glow plug engine, Ignition Is Inflated by the application of a power source.
AS ann IW BASIC POSITION OF MIXTURE CONTROL SCREW (Mixture Control Valve} As delivered, the Mixture Control Screw Is positioned at approximately the canter as shown in tha sketch. Mixture gets lean when the Mixture Control Screw Is turned right, while mixture gets rich when the Mixture Control Screw Is muted left With a model helicopter, adjustments vary with combined various factors such as climatic conditions, fuel, muffler, man rotor, weight of the model, gear taro, etc.
QS moans 1. Opaning and closing of the Indies Naive Medium Speed monodist-vaive: Tum the needle clockwise to clogs the neediness tum open from the fully closed position. valve, and tum the neediness counter-clockwise to open the needier-vaive as shown In the sketch 3. Preparation of the starter Install the starting shaft to the Idi | J die Mixture Control Screw. story securely, Improper Installation will allow the needier-vaive shaft to swing creating a dangerous situation Medium Speed neediness-vave: 4.
QS arn In case tho engine does not stop. Hold the rotor head, and pinch the fus! line to stop the fuel supply. If It sil does not stop, pul off the fuel line from the carburetor.
QS mm ADJUSTMENT Please observant the following before beginning to make any adjustment. «High-Speed Needs Valve. Tum this approximately 30 egress (3 to 4 clicks) at a time, when making initial adjustments; then in steps of approximately 15 egress {1 to 2 clicks) when making final adjustments. o Medium-Spesd Needle Valve. Tum approximately 30 degrees (3 to 4 clicks) at a teems. medial Mixture Control Sower. Tum approximately 5 degrees at a time. It tums approximately 90 digress both sides from the center.
AS savanna 2. Heaving provisionally set the Idle mixture, the next step Is to adjust the mixture for hovering fight Hover the mode! and actuates the throttles to observe response over the medium speed range. If the engine smokes excessively and throttle response ls poor, the mixture Is too rich ; In which sacs, land the model and tum the High-Speed Needle Valve clockwise.
AS mmm H SUBSEQUENT READJUSTMENTS Once the engine has bean run-in and the carburetor controls properly set up, It shooed be unnecessary to alto the mixture settings, except to make minor changes to the Main (High Sped) Indies Naive occasionally, to take account of differences In climatic consolidations.
QS man CARE AND MAINTENANCE Please pay attention to the matters described below to ensure that your engine serves you well in regard to performance, reliability and long Ife. As previously mentioned, it is vitally important to avoid operating the engine In conditions where dust, disturbed by the rotor, may be deposited on the engine and enter Its working parts. «Remember to keep your fuse container closed to prevent foreign matter from contaminating the fuel.
QS mans TROUBLE SHOOTING Engine falls to fire. Cause corrective action Fuel tank Is empty. Fuel not reaching the engine. Fill the tank with fuel and repeat. Priming procedure. Glow plug element Is burnt out Replace glowing. Glow plug battery discharged Recharge or replace the battery. Clogged fuel filter. Silencer inside is dirty. Clean or replace fue filter. Clean inside silencer. Over priming Remove glow plug and pump out excess fuel Fuel tubing is disconnected. Fuel tubing is kinked, split or has a hole.
a] Unstable idle Cause operative action Unsuitable glow plug Use suggested glow plug in the instructions. Unsuitable fuel Do not use extremely high nitro or low oil fuel. Silencer is disconnected or is loose Not reaching expected peak r.p.m. Owen Install silencer securely. corrective action Cause Insufficient warming up of running-in. Set the needle only after warming up. Complete running-in. Silencer or manifold is not securely connected or disconnected. Check the connections and secure them.
CARBURETOR EXPLODED VIEW Screw 42 QS mam CARBURETOR PARTS LIST Nos | Coda No. Description No.
AS mom 05. GENUINE PARTS & ACCESSORIES EN GLOW PLUG = POWER BOOST PIPE 105 146000) carrot «No.7 u POWER BOOST PIPE 90 asset (71607100) 4 silencer Retaining Screw «No.8 (29122520) (apes) (71608001) + Exhaust Tube «No.
QS mmm THREE VIEW DRAWING SPECIFICATIONS 17.17 cc {1.048 cult} 20.0 mm (1.142 In) 26.0 mm (1.024 in) r.p.m. 3.7 ps 13.85 hp / 15,000 rpm. 506.29 (21.03 02) UNF 5/1824 Dimensionless) 48 rn Ned 6-15 3-Home Imaginal Higeshisumiyoshi-ku ENGINES wrsco.crn Osaka 546-0008, Japan TEL. (06) 6702-0225 URL : hitp=iiwww OS-engines cop FAX. (08) 6704-2722 ©) Copyright 2011 by 0.8 Engines Mig. Go., Lid. Al rights reserved.
