Instruction/ maintenance manual of the product UC3503A Makita
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Continuous Rating (W) V oltage (V) Model No. Chain blade No load chain speed: m/s Electric brake Guide bar length: mm (") Pitch Chain type Gauge Cycle (Hz) UC3003A UC3503A UC4503A UC4003A UC3003A.
R epair P 2 / 8 < 1 > Lubrication Apply Makita grease N. No.1 to the follo wing portions designated by black triangle to protect parts and product from unusual abrasion. ( Fig. 1 ) < 2 > Removing Gear Housing fr om Motor Housing f or Replacement of Armature Assembly 1.
R epair P 3 / 8 < 2 > Removing Gear Housing fr om Motor Housing f or Replacement of Armature Assembly (cont.) 2. T ake switch out of gear housing L, and then disconnect the connecting terminal from switch as illustrated to left in Fig. 3 . 3. Remov e four 5x25 tapping scre ws as illustrated to right in Fig.
R epair P 4 / 8 < 3 > Disassembling Gear Housing (cont.) 3. Remov e four 5x25 tapping scre ws and two 5x55 tapping screws as illustrated in Fig. 6 . Remov al of the screws will release tubular handle from gear housing. 4. Remov e tubular handle from the bottom side of gear housing L as illustrated to left in Fig.
R epair P 5 / 8 < 4 > Replacement of Straight Bev el Gear 43 and Oil Pump Complete (cont.) < 5 > Replacement of Clutch Drum and Brake Spring 4. Remov e Holder by removing BT3.5x9.5. Oil pump complete can no w be removed from Gear housing (R).
R epair P 6 / 8 < 5 > Replacement of Clutch Drum and Brake Spring (cont.) 3. T ake Brak e spring out of Gear housing (R), then remov e Brake spring from the cla w of Brake spring holder . ( Fig. 12 ) < 6 > Replacement of Brake Spring Holder 1.
C ircuit diagram W iring diagram- (1) Outside and Inside Motor Housing P 7 / 8 Fig. 16 Fig. 17 Fig. 18 Color index of lead wire sheath Black White Orange Y ello w COM Receptacle sleev e NO Pull the Field lead wires out of the commutator end of Motor housing as illustrated to left in Fig.
W iring diagram- (2) Inside Handle (L) P 8 / 8 Fig. 19 Fig. 20 1. Before installing Main switch onto Handle (L), fix the follo wing lead wires with lead wire holders as illustrated in Fig. 19 . * Field lead wire (orange) * Field lead wire (yello w) * Lead wire (black) from switch installed on Gear housing (L) 2.
An important point after buying a device Makita UC3503A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Makita UC3503A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Makita UC3503A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Makita UC3503A you will learn all the available features of the product, as well as information on its operation. The information that you get Makita UC3503A will certainly help you make a decision on the purchase.
If you already are a holder of Makita UC3503A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Makita UC3503A.
However, one of the most important roles played by the user manual is to help in solving problems with Makita UC3503A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Makita UC3503A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
