Homelite ZR10901 Operator's Manual
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Homelite ZR10901 Operator's Manual

Homelite ZR10901 Operator's Manual

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OPERATOR'S MANUAL
14 in. (356 mm) 33cc Chain Saw
Model No. ZR10901, ZR10901A
16 in. (406 mm) 33cc Chain Saw
ZR10947, ZR10947A, ZR10947D
Your new chain saw has been engineered and manufactured to Homelite's high standard for dependability, ease of operation, and
operator safety. Properly cared for, it will give you years of rugged, trouble-free performance.
WARNING:
To reduce the risk of injury, the user must read and understand the operator's manual before using
this product.
Thank you for buying a Homelite chain saw.
SAVE THIS MANUAL FOR FUTURE REFERENCE

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Summary of Contents for Homelite ZR10901

  • Page 1 16 in. (406 mm) 33cc Chain Saw ZR10947, ZR10947A, ZR10947D Your new chain saw has been engineered and manufactured to Homelite’s high standard for dependability, ease of operation, and operator safety. Properly cared for, it will give you years of rugged, trouble-free performance.

  • Page 2: Table Of Contents

    Servicing requires extreme care and knowledge and should be performed only by a qualified service Carefully read through this entire operator's manual technician. When servicing use only identical Homelite before using your new saw. Pay close attention to replacement parts.

  • Page 3: General Safety Rules

    GENERAL SAFETY RULES      DO NOT OPERATE A CHAIN SAW WITH ONE WARNING: HAND. Serious injury to the operator, helpers, bystanders, or any combination of these persons may The warnings, labels, and instructions found in this result from one-handed operation.

  • Page 4: Specific Safety Rules

    GENERAL SAFETY RULES      ALL CHAIN SAW SERVICE, other than the items      FOLLOW THE SHARPENING and maintenance listed in the instruction manual and all maintenance, instructions for the saw chain. should be performed by competent chain saw service ...
  • Page 5 Refer to “Operation” later in this manual. If the saw chain still moves at idle speed after adjustment has been made, contact a Homelite Service Center for adjustment and discontinue use until the repair is made. WARNING:...

  • Page 6: Symbols

    SYMBOLS Important: Some of the following symbols may be used on your tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and safer. SYMBOL NAME EXPLANATION Indicates danger, warning or caution. It means attention!!! Safety Alert Symbol Your safety is involved.

  • Page 7: Specifications

    SYMBOLS The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols, and the explanations with them, deserve your careful attention and understanding. The safety warnings do not by themselves eliminate any danger. The instructions or warnings they give are not substitutes for proper accident prevention measures.

  • Page 8: Features

    FEATURES TRIGGER RELEASE THROTTLE LOCK BUTTON FRONT HAND CHAIN OIL GUARD/CHAIN BRAKE FRONT SAFE-T-TIP HANDLE CYLINDER COVER BAR MOUNTING NUTS CLUTCH COVER CHOKE LEVER PRIMER BULB STARTER GRIP STARTER/FAN REAR HOUSING HANDLE IGNITION SWITCH THROTTLE FUEL CAP TRIGGER Fig. 2 Page 8...

  • Page 9: Operation

    When making a replacement, be sure to order one of the kicks the guide bar up and back toward the Homelite bars listed for your saw in this operator's manual. operator. If the saw chain is pinched along the top of...
  • Page 10 OPERATION KICKBACK PRECAUTIONS      Keep gasoline and oil away from the eyes. If gasoline or oil comes in contact with the eyes, wash them See Figures and 7. immediately with clean water. If irritation is still present, Rotational kickback occurs when the moving chain con- see a doctor immediately.
  • Page 11 See Figures 9 and 10. WARNING: Use HOMELITE Bar and Chain Oil. It is designed for chains and chain oilers, and is formulated to perform over a wide temperature range with no dilution required. Chain...
  • Page 12 OPERATION STARTING THE ENGINE 3. Set the ignition switch to the RUN (I) position. See Figures 13 through 20. 4. Make sure the chain brake is in the RUN position by pulling back on the lever / hand guard. WARNING: 5.
  • Page 13 OPERATION Now you are ready to pick up the saw. Use the proper 7. While squeezing both the trigger release and throttle grip for both handles, refer to “Operation” for additional trigger, push in the throttle lock button. Release the information.
  • Page 14 OPERATION PREPARING FOR CUTTING PROPER GRIP ON HANDLES See Figure 21. Refer to “Specific Safety Rules – Safety Apparel” earlier in this manual for appropriate safety equipment.      Wear non-slip gloves for maximum grip and protection. ...
  • Page 15 The carburetor will permit only limited adjust- ment of the “L” (Low Jet) and “H” (High Jet) needles. Any adjustment should be done by a Homelite Service Center. Under no circumstances should the “L” (Low Jet) and “H” (High Jet) needles be forced outside the range of adjust- ment.
  • Page 16 Wait until the hazardous weather has chain movement. If the saw chain still moves at idle ended. speed, contact a Homelite Service Center for adjust- When felling a tree, it is important that you heed the ment and discontinue use until the repair is made.
  • Page 17 OPERATION PROPER PROCEDURE FOR TREE FELLING PLANNED LINE OF See Figures 27 through 30. FALL 1. Pick your escape route (or routes in case the in- tended route is blocked). Clear the immediate area around the tree and make sure there are no obstruc- tions in your planned path of retreat.
  • Page 18 OPERATION Note: Never cut through to the notch. Always leave a band of wood between the notch and back cut (approxi- mately 2 inches (5 cm) or 1/10 the diameter of the tree). This is called "hinge" or "hingewood". It controls the fall of the tree and prevents slipping or twisting or shoot- back of the tree off the stump.
  • Page 19 OPERATION REMOVING BUTTRESS ROOTS See Figure 31. A buttress root is a large root extending from the trunk of the tree above the ground. Remove large buttress roots prior to felling. Make the horizontal cut into the buttress first, followed by the vertical cut. Remove the resulting loose section from the work area.
  • Page 20 OPERATION BUCKING LOGS UNDER STRESS LOG SUPPORTED AT ONE END See Figure 34. Make the first bucking cut 1/3 of the way through the log and finish with a 2/3 cut on the opposite side. As you cut LOAD FINISHING CUT the log, it will tend to bend.
  • Page 21 OPERATION LIMBING AND PRUNING See Figure 36. SECOND CUT LOAD ■ Work slowly, keeping both hands on the saw with a firm grip. Maintain secure footing and balance. ■ Keep the tree between you and the chain while limbing. ■ Do not cut from a ladder, this is extremely dangerous. Leave this operation for professionals.

  • Page 22: Maintenance

    MAINTENANCE ASSEMBLING THE BAR AND CHAIN See Figures 38 through 48. DANGER: Never start the engine before installing the guide bar, chain, drivecase cover, and clutch drum. Without all these parts in place, the clutch can fly off or explode exposing the user to possible serious injury.
  • Page 23 MAINTENANCE 6. Lay out the saw chain in a loop and straighten any kinks. The cutters should face in the direction of chain rotation. If they face backwards, turn the loop over. 7. Place the chain drive links into the bar groove as shown.
  • Page 24 MAINTENANCE 11. Replace the outer guide bar plate ensuring that the bar pin groove is at the bottom with the upper and lower edges angled away from the guide bar. 12. Replace the clutch cover and bar mounting nuts. 13. Tighten the bar mounting nuts finger tight only. The bar must be free to move for tension adjustment.
  • Page 25 MAINTENANCE ADJUSTING THE CHAIN TENSION See Figures 49 through 51. WARNING: Never touch or adjust the chain while the motor is running. The saw chain is very sharp. Always wear protective gloves when performing maintenance on the chain. ≈ ≈ ≈ ≈ ≈ 050 in.
  • Page 26 1. Wear gloves for protection. have the Homelite Service Center sharpen the chain. 2. Tension the chain prior to sharpening. Note: Inspect the drive sprocket for wear or damage when replacing the chain.
  • Page 27 MAINTENANCE CHECK FOR WEAR OR DAMAGE LEFT HAND CUTTERS RIGHT HAND CUTTERS Fig. 59 Fig. 56 CAUTION: A dull or improperly sharpened chain can cause excessive engine speed during cutting which may result in severe engine damage. WARNING: Improper chain sharpening increases the potential of kickback.
  • Page 28 MAINTENANCE TOP PLATE FILING ANGLE MAINTAINING DEPTH GAUGE CLEARANCE See Figure 60. See Figure 62, 63 and 64. ■ CORRECT 30° - file holders are marked with guide ■ Maintain the depth gauge at a clearance of .025 in. marks to align file properly to produce correct top plate (0.6 mm).
  • Page 29 MAINTENANCE MAINTAINING THE SAFE-T-TIP NOSE MAINTAINING THE GUIDE BAR GUARD See Figure 65. See Figures 66 and 67. CAUTION: CAUTION: Make sure the chain has stopped before you do any work on the saw. Make sure the chain has stopped before you do any work on the saw.
  • Page 30 MAINTENANCE ■ Clean the pre-filter every 25 tanks of fuel or sooner, if required. Remove the cylinder cover, starter assembly and the fan housing baffle for access to the pre-filter in TIGHTEN 3/4 OF the engine housing. A TURN Note: If you use an air hose for drying, blow through both sides of filter.
  • Page 31 Because parts can fracture and pose a danger of thrown objects, leave repairs of the flywheel and REPLACING THE SPARK PLUG clutch to trained Homelite Service Center personnel. See Figure 75. This engine uses a Champion RCJ-6Y with .025 in. (0.63 mm) electrode gap.
  • Page 32 MAINTENANCE CLEANING THE SPARK ARRESTING MUFFLER CHAIN CATCHER See Figure 76. The muffler is equipped with a spark arrestor screen. A faulty spark arrestor screen can create a fire hazard. Through normal use the screen can become dirty and should be inspected weekly and cleaned as required. Always keep the muffler and spark arrestor on your saw in good condition.

  • Page 33: Bar And Chain Combinations

    3. Spark arrester screen is dirty. 3. Clean spark arrestor screen. Refer to “Maintenance – Cleaning the Spark Arresting Muffler” earlier in this manual. 4. Contact a Homelite Service Center for carburetor 4. Carburetor requires “H” (High jet) adjustment. adjustment.

  • Page 34: Troubleshooting

    If oil is present the chain may be dull or bar may be damaged. If no oil is on the SAFE-T- TIP, contact a Homelite Service Center. 1. Release chain brake, refer to “Operation – Operat- 1. Chain brake is engaged.

  • Page 35: Warranty

    Also included may be hoses, belts, and connectors and other emission-related assemblies. Where a warrantable condition exists, Homelite Consumer Products, Inc., will repair your utility/lawn/garden equipment engine at no cost to you, including diagnosis (if the diagnostic work is performed at an authorized dealer), parts, and labor.

  • Page 36: Parts Ordering/Service

    OPERATOR'S MANUAL 14 in. (356 mm) 33cc Chain Saw Model No. ZR10901, ZR10901A 16 in. (406 mm) 33cc Chain Saw ZR10947, ZR10947A, ZR10947D WARNING: The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.

This manual is also suitable for:

Zr10901aZr10947Zr10947aZr10947d

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