ENGLISH (Original instructions) SPECIFICATIONS Model BUC121 BUC122 Chain speed per minute (min 4.8 m/s (290 m/min) 5.0 m/s (300 m/min) Length of guide bar 115 mm Type 25 AP Saw chain Pitch 1/4" No. of drive links Overall length 422 mm...
Page 3
Do not expose power tools to rain or wet Power tool use and care conditions. Water entering a power tool will 17. Do not force the power tool. Use the correct increase the risk of electric shock. power tool for your application. The correct Do not abuse the cord.
Page 4
Service Carry the chain saw by the front handle with 28. Have your power tool serviced by a qualified the chain saw switched off and away from repair person using only identical your body. When transporting or storing the replacement parts. This will ensure that the chain saw always fit the guide bar cover.
Page 5
Do not short the battery cartridge: Do not touch the terminals with any conductive material. Avoid storing battery cartridge in a container with other metal objects such as nails, coins, etc. Do not expose battery cartridge to water or rain. A battery short can cause a large current flow, overheating, possible burns and even a 001743...
Parts supplied 008588 knob Top handle Lock off button Battery cartridge Sprocket cover Front handle Switch trigger Front hand guard Chain cover Guide bar Tip guard Carabiner or rope attachment point Saw chain 008589...
Battery protection system (Lithium-ion FUNCTIONAL DESCRIPTION battery with star marking) CAUTION: 1. Star marking Always be sure that the tool is switched off and the • battery cartridge is removed before adjusting or checking function on the tool. Installing or removing battery cartridge 1.
Page 8
ASSEMBLY 1. Spring 2. Sprocket CAUTION: Always be sure that the tool is switched off and the • battery cartridge is removed before carrying out any work on the tool. Installing or removing saw chain CAUTION: Always be sure that the tool is switched off and the •...
The oil delivery may otherwise be impaired. As a saw chain oil, use oil exclusively for Makita • chain saws or oil available in market. Never use oil including dust and particles or •...
Pruning trees 1. Tip guide 001742 If you cannot cut the timber right through with a single 008574 stroke: Apply light pressure to the handle and continue sawing 1. Lower guide and draw the chain saw back a little; then apply the spike a little lower and finish the cut by raising the handle.
Page 11
Two or three strokes with a file are usually sufficient for routine resharpening. When the saw chain has been resharpened several times, have it sharpened in a MAKITA specialist repair shop. File and file guiding − Use a special round file (optional accessory) for...
1. Push nut 1. Push nut 2. Slotted bit screwdriver 008579 008635 Remove the push nut using a slotted bit screwdriver Insert the push nut with its correct side facing up as with a slender shaft or the like. shown in the figure into the oil discharge hole to secure the filter.
If you need any assistance for more details regarding 001145 these accessories, ask your local Makita Service Center. Remove and check the carbon brushes regularly. Various type of Makita genuine batteries and Replace when they wear down to the limit mark. Keep •...