Dynamite DYN0891 소유자 매뉴얼 - 페이지 2

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Idle Stop Adjustment

The last setting to be made is the idle stop screw.

Turning this screw clockwise increases the idle speed;

whereas turning the screw counterclockwise will make

the engine idle at a lower speed. Ideally, the engine

should idle just fast enough to be reliable in acceleration

and transition from idle to full speed. Avoid an idle speed

that is too fast, as it will cause damage to your clutch.

Engine Maintenance

Periodic maintenance must be performed in order

to keep your engine in proper operating condition. After

each day of running, it's critical to use high quality after-

run oil to protect the internals of the engine and protect

them against corrosion. The methanol used in the fuel

attracts moisture that can cause corrosion (particularly in

the ball bearings). We recommend Blue Thunder

Final

™

Run (DYN2255) as it's specifically formulated to protect

your engine between uses. Follow these steps after

running your engine:

1) Empty all fuel from the tank and fuel lines

2) Use Final Run fuel following the instructions on

the container

3) Clean and inspect the engine, air cleaner and

fuel system

Troubleshooting Guide

Problem

Possible Cause/Solution

Engine won't start

• Reset needles to the

factory setting

• Incorrect needle settings

• Out of fuel/old, bad or

improper fuel

• Clogged fuel line

• Bad or improper glow plug

• Glow igniter not charged

• Engine flooded

Engine starts, then dies

• Pressure line blocked or

disconnected

• Bad glow plug

• High-speed needle too lean

• Hole or tear in fuel line

Engine starts and runs

• Bad glow plug, idle speed

for

⁄

tank, then quits

set too low

• Overheated engine

(too lean)

• Improper needle settings

8002_DYN_mach28_manual.indd 2

Spare Part Listing

Stock #

Description

DYN0900

CYLINDER HEAD SCREW (4): Mach .26/.28

DYN0945

CYLINDER HEAD: MACH.28

DYN0946

HEAD BUTTON: MACH.28

DYN0947

HEAD GASKET .1mm: MACH.28

DYN0948

HEAD GASKET .2mm: MACH.28

DYN0949

PISTON/SLEEVE: MACH.28

DYN0950

WRIST PIN: MACH.28

DYN0907

WRIST PIN CLIPS: MACH.26/.28

DYN0908

CONNECTING ROD: MACH.26/.28

DYN0951

SLIDE VALVE CARB: MACH.28

DYN0910

O-RING SET: MACH.26/.28

DYN0952

CARB RET. POST SET: MACH.28

DYN0912

COLLET: MACH.26/.28

DYN0913

FRONT BEARING: MACH.26/.28

DYN0953

CRANKCASE: MACH.28

DYN0915

REAR BEARING: MACH.26/.28

DYN0954

CRANKSHAFT (w/ PS) SG: MACH .28

DYN0955

CRANKSHAFT (w/o PS) SG: MACH .28

DYN0922

BACKPLATE (w/o PS): MACH.26/.28

DYN0923

THROTTLE BARREL: MACH.26/.28

DYN0956

THROTTLE BARREL BOOT: MACH.28

DYN0925

BALL END: MACH.26/.28

DYN0926

CARB. BALL LINK: MACH.26/.28

DYN0927

LOW-SPEED NEEDLE: MACH .26/.28

DYN0928

IDLE SCREW: MACH.26/.28

DYN0929

HIGH-SPEED NEEDLE: MACH.26/.28

DYN0930

HIGH-SPEED NEEDLE HOLDER: MACH.26/.28

DYN0931

HIGH-SPEED NEEDLE WASHER: MACH.26/.28

DYN0932

FUEL INLET NIPPLE: MACH.26/.28

DYN0957

CARB BODY: MACH.28

DYN0958

THROTTLE SPRING: MACH.28

DYN0934

PS COMPLETE: MACH.26/.28

DYN0935

PS HANDLE & EXT.: MACH.26/.28

DYN0936

PS BACKPLATE: MACH.26/.28

DYN0937

PS SCREW SET: MACH.26/.28

DYN0938

PS RECOIL SPRING: MACH.26/.28

DYN0939

PS ROPE/PULLY: MACH.26/.28

DYN0940

PS FRONT SET: MACH.26/.28

DYN0941

PS ONE-WAY BEARING: MACH.26/.28

DYN0942

PS BACKPLATE: MACH.26/.28

DYN0943

PS SHAFT: MACH.26/.28

Warranty

Mach .28 engines are guaranteed against original

defects in materials and workmanship for a period of 90

days from date of purchase. Mach .28 engines are of

excellent quality and designed to provide many hours of

racing enjoyment. If cared for properly, these engines are

extremely durable. However, normal "common sense"

care must be given to your engine in order to maximize

its performance and service life. The following conditions/

problems cannot be covered under warranty:

• Recoil starter

•Damage due to lack of maintenance

• Rusted bearings

• Crash-related damage (over-revving, runaways,

free-wheeling, etc.)

• Damage due to use of improper fuel or glow plugs

• Damage due to lean runs (seized connecting rods,

pistons, etc.)

• Damage caused by dirt or foreign objects being

ingested into the engine

• Damaged from improper disassembly or reassembly

• Modification of any kind

• Normal engine wear

Should you need to send your engine in for warranty or

non-warranty repairs, please follow these steps:

1) Ship your engine (in its original box) packed inside

a sturdy box, freight prepaid to:

Horizon Service Center

ATTN: Mach .28 Service

4105 Fieldstone Rd.

Champaign, IL 61822

2) Include a note containing a brief summary of

the problems you are experiencing with your

Mach .28 engine. Please tell us:

• Nitro content and brand of fuel used in

the engine

• Type of glow plug used

• Type of air cleaner used

• Approximate running time on the engine

prior to difficulties developing

Date your correspondence and include your return

shipping address, as well as a daytime telephone

number and e-mail address (if applicable).

3) Warranty Repair

If you believe that the problem(s) with your

engine are covered under warranty, you must

include your original dated sales receipt to verify

proof of purchase date. Providing the conditions

of warranty have been met, your engine will be

repaired without charge.

4) Non-Warranty Service

Should your repair costs exceed $50.00, you'll

be provided with an estimate advising you of your

options. Any charges for return shipping of non-

warranty repairs will be billed to you.

5) Payment Method

Please advise the Horizon Service Center

of the method of payment you prefer to use.

The Service Center accepts Visa or MasterCard.

When using credit cards, please include your

card number, expiration date and the name

as it appears on the card

For additional information or your nearest

Dynamite dealer, go directly to the Dynamite

Web Site at www.DynamiteRC.com or call

toll-free 877-504-0233.

Mach .28 engines are manufactured in Taiwan and

distributed worldwide by:

Horizon Hobby, Inc.

4105 Fieldstone Rd.

Champaign, IL 61822

www.horizonhobby.com

8002

5/31/05 9:00:24 AM