Table of Contents
Advertisement
USER MANUAL
Gas String Trimmers/Brushcutters
Models : MT3075/ MT3090/MT30775/ MT30790
MT3075
For your own safety please read this manual before attempting to operate your new unit. Failure to fol-
low instructions can result in serious personal injury. Spend a few moments to familiarize yourself with
your trimmer before each use.
PN 9096-334601
MT3090
MT30775
WARNING • PLEASE READ
MT30790
Printed in Taiwan
Advertisement
Table of Contents
Related Manuals for McCulloch MT3075
Summary of Contents for McCulloch MT3075
- Page 1 USER MANUAL Gas String Trimmers/Brushcutters Models : MT3075/ MT3090/MT30775/ MT30790 MT3075 MT3090 MT30775 MT30790 WARNING • PLEASE READ For your own safety please read this manual before attempting to operate your new unit. Failure to fol- low instructions can result in serious personal injury. Spend a few moments to familiarize yourself with your trimmer before each use.
-
Page 2: Table Of Contents
Dear Customer, GENERAL INFORMATION ......2 Thank you for purchasing a McCulloch product. With prop- 1-1. Specifications er operation and maintenance, it will provide you with years GENERAL IDENTIFICATION . -
Page 3: General Information
Displacement ..........30cc / 1.8 ci Dry Weight (MT3075/MT3090) ....... .14.1 lbs. / 6.4 kg (MT30775/MT30790) . -
Page 4: General Identification
DRIVE SHAFT ASSEMBLY operator form rotating blade. 7A. PHANDLE (MT3075) MUFFLER SHIELD helps prevent hands, body and/or 7B. J HANDLE (MT3090/MT30775/ MT30790) combustible materials from making contact with a hot THROTTLE TRIGGER muffler. -
Page 5: Safety Precautions
Replacement spark arrester A coasting blade can cut you or bystanders. Before per- screen kits are available at your nearest McCulloch forming any service on the blade, always turn off Authorized Service Center listed under “SAWS” in engine, and be sure coasting blade has stopped. -
Page 6: International Symbols
Do not use any other cutting attachment . Use of such attachments will void your factory warranty and could result in serious bodily injury. (Model MT3075, MT3090) 3-4.INTERNATIONAL SYMBOLS Use of these personal safety items is highly rec- ommended to reduce the risk of accidental injury. -
Page 7: Assembly Instructions
4 - ASSEMBLY INSTRUCTIONS 3. Reinstall the gear collar (A). Ensure the collar spacer 4-1. “P” HANDLE ASSEMBLY (MT3075) (C) is in place or the collar will rub the gear housing 1. To install handle onto unit, you will need the following (Figure 4-3A). -
Page 8: Stringhead Installation
1. Install gear collar (A) ensuring that collar spacer (B) is in place (Figure 4-5A). 2. Insert holding pin (C) and thread stringhead onto shaft. Tighten stringhead by hand only (Figures 4-5B and 4- 5C). MT3075/ MT30775 MT3090/ MT30790 MT3075/... -
Page 9: Blade Installation
4 - ASSEMBLY INSTRUCTIONS 4-7. BLADE INSTALLATION (MT3090/MT30790) WARNING / CAUTION • NEVER use unit if blade is warped or has teeth that are chipped or missing. Replace a damaged blade immediately. • NEVER operate unit with a blade unless metal blade guard is properly installed. -
Page 10: Installing The Attachment
4 - ASSEMBLY INSTRUCTIONS 4-8. INSTALLING THE ATTACHMENT Release Coupler (MT30775/MT30790) Button WARNING To avoid serious personal injury, shut unit off before remov- ing or installing attachment. NOTE: To make installing or removing the attachment eas- ier, place the unit on the ground or on a work bench. 1. -
Page 11: Fuel And Lubrication
Use mixing ratios in Section 5-3. clean air standards. Your McCulloch engine is designed to operate satisfactorily on any gasoline intended for automo- Never use straight gasoline in your unit. This will tive use including oxygenated gasolines. -
Page 12: Operating Instructions
6 - OPERATING INSTRUCTIONS 6-1. SHOULDER HARNESS felt (approximately 4") (Figure 6-2E). A smooth rapid WARNING pull is required for a strong spark. Pull starter rope briskly 6 times. ALWAYS WEAR SHOULDER HARNESS when operating unit with a blade. Attach harness to trimmer after starting unit and engine is running at IDLE. -
Page 13: To Stop Engine
6 - OPERATING INSTRUCTIONS 6-4. WARM ENGINE START 5. Move choke lever to PARTIAL CHOKE “ ” position then pull starter rope 4 times. (Figure 6-2F) 1. Move ignition switch to the “RUN (I)” position. 2. Place choke in PARTIAL CHOKE “ ”... -
Page 14: Trimming Instructions
7 - TRIMMING INSTRUCTIONS 7-1. ADDITIONAL SAFETY PRECAUTIONS Before operating your unit, review ALL SAFETY PRECAU- TIONS in this manual. WARNING / CAUTION • IF UNFAMILIAR WITH TRIMMING techniques, prac- tice the procedures with ENGINE in “OFF” position. • ALWAYS CLEAR WORK area of debris such as cans, bottles, rocks, etc. -
Page 15: Cutting With Blades
7 - TRIMMING INSTRUCTIONS TRIMMING AROUND TREES and light undergrowth. It should not be used to cut large, tough weeds or woody growth (Figure 7-5A). Trim around tree trunks with a slow approach so string CAUTION does not contact bark. Walk around the tree trimming from left to right. -
Page 16: Maintenance Instructions
8 - MAINTENANCE INSTRUCTIONS HOURS OF MAINTENANCE CHECKLIST OPERATION EACH USE ACTION ✔ SCREWS / NUTS / BOLTS INSPECT / TIGHTEN ✔ AIR FILTER CLEAN OR REPLACE ✔ FUEL FILTER REPLACE ✔ SPARK PLUGO CLEAN / ADJUST / REPLACE SPARK ARRESTER SCREEN ✔... -
Page 17: Replacing Cutter Line
8 - MAINTENANCE INSTRUCTIONS 8-1. REPLACING CUTTER LINE 1. Turn the knob (A) CLOCKWISE and remove it (Figure 8-1A). 2. Remove the spool (C), and spring (D) from spindle (E). 3. Remove any remaining cutter line. 4. Fold over a 32' (9.8m) length of .095 or .105" (.24 or .27cm) cutter line. -
Page 18: Air Filter
8 - MAINTENANCE INSTRUCTIONS 8-2. AIR FILTER CAUTION NEVER operate trimmer without the air filter. The air filter must be kept clean. If it becomes damaged, install a new fil- ter. To Clean Air Filter: 1. Remove knob (A) holding air filter cover in place, remove cover (B) and lift filter (C) from air box (Figure 8-2A). -
Page 19: Spark Plug
8 - MAINTENANCE INSTRUCTIONS 8-5. SPARK PLUG 1. To remove spark plug B (figure 8-6A) for cleaning or replacement: make sure engine is off, spark plug is cool then grasp spark plug boot firmly and remove from spark plug. Remove spark plug with correct spark plug tool. -
Page 20: Troubleshooting The Engine
9 - TROUBLESHOOTING THE ENGINE PROBLEM PROBABLE CAUSE CORRECTIVE ACTION Unit won’t start or starts but will not Incorrect starting procedures. Follow instructions in the User Manual. run. Have carburetor adjusted by an Incorrect carburetor mixture adjustment Authorized Service Center. setting. -
Page 21: Part List
10 - PRIST LIST MODEL : MT3075 Parts No. Description Parts No. Description Parts No. Description 9295-310501 SPARK PLUG 9228-334507 FILTER ASS'Y 62-1 9068-330306 HOUSING, HANDLE-UPPER 9SGEB-05-10 SCREW 9287-334501 CARBURETOR 62-2 9SKKBY10/24-1 SCREW 9211-334502 PLATE (SPARK SIDE) 9014-334505 CARBURETOR GASKET... - Page 22 10 - PRIST LIST MODEL : MT30775 Parts No. Description Parts No. Description Parts No. Description 9295-310501 SPARK PLUG 9014-334505 CARBURETOR GASKET 64-3 9068-330303 HANDLE 9SGEB-05-10 SCREW 9SKKB-05-19 SCREW 64-4 9070-330301 PLUG 9211-334502 PLATE (SPARK SIDE) 9211-334503 PLATE 9072-330402 CENTERPLECE 64-5 9012-330301 GROMMET...
- Page 23 10 - PRIST LIST MODEL : MT3090 Parts No. Description Parts No. Description Parts No. Description 9295-310501 SPARK PLUG 9012-334501 GROMMET 70-3 9010-332103 WIRE ASS'Y, SWITCH 9SGEB-05-10 SCREW 9072-334501 INSULATOR 70-4 9010-334501 THROTTLE CABLE 9211-334502 PLATE (SPARK SIDE) 9014-334506 INSULATOR GASKET 70-5 9059-332101 HOSE...
- Page 24 10 - PRIST LIST MODEL : MT30790 Parts No. Description Parts No. Description Parts No. Description 9295-310501 SPARK PLUG 9012-334501 GROMMET 70-3 9010-332103 WIRE ASS'Y, SWITCH 9SGEB-05-10 SCREW 9072-334501 INSULATOR 70-4 9010-334501 THROTTLE CABLE 9211-334502 PLATE (SPARK SIDE) 9014-334506 INSULATOR GASKET 70-5 9059-332101 HOSE...
- Page 26 STOP ARRÊT For problems or questions, DO NOT return this product to the store. Contact your ALTO Customer Service Agent . En cas de problèmes ou pour des questions, NE PAS retourner ce produit au point de vente. S'adresser au préposé du Service à la clientèle en composant. Para problemas o preguntas, NO devolver este producto a la tienda Contacte a su Agente de Servicio al Cliente.