CONFIDENTIAL Sep. 2020 PRODUCT NAME 18 V Cordless Jig Saw CJ 18DA Model 135 mm (5-5/16”) Page CONTENTS REPAIR GUIDE ---------------------------------------------------------------------------------------------------------------- 1 1. Precautions on disassembly and reassembly ----------------------------------------------------------- 1 • Disassembly ---------------------------------------------------------------------------------------------------- 1 • Reassembly ---------------------------------------------------------------------------------------------------- 4 • Lubrication points and type of lubricant ------------------------------------------------------------------ 5 •...
1. Precautions on disassembly and reassembly [Bold] numbers in the description below correspond to the item numbers in the parts list and exploded assembly diagram for the Model CJ 18DA. Disassembly 1. Removal of the base Loosen the Hex.
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Fig. 3 4. Disassembly of the plunger ass’y (1) Remove the D6 Pin [46] from the Gear Holder Ass’y [47]. Remove Plunger Holder (A) [31] from the plunger ass’y. (2) Loosen two Seal Lock Hex. Socket Hd. Bolts M3 x 6 [18] and remove the Plunger Cover [17] and Plunger (A) [32].
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5. Removal of the gear holder (1) Pull out Connecting Piece (A) [33] and Needle Bearing [34] from the Gear [36]. (2) Remove the Retaining Ring for D7 Shaft [35] from the tip of the spindle. (3) Remove the Gear [36], Balance Weight [37], Orbital Cam [38] and Washer (A) [23] in this order. (4) Remove the Motor [13] press-fitted in the Gear Holder Ass’y [47].
Reassembly Perform reassembly by reversing the disassembly procedure. However, special attention should be given to the following items. 1. Mounting the change knob Mount Spring (C) [27] and Steel Ball 5/32 [41] to the inside of the Change Knob [42] as described below. (1) Apply grease (Nippeco SEP-3A) to the Steel Ball 5/32 [41], and then put the Steel Ball 5/32 [41] in the concave portion as shown in the figure below.
Fig. 7 [31] [17] [18] [19] [32] [20] [21] [25] [22] [23] [24] [26] [27] [28] [29] [30] Lubrication points and type of lubricant Apply specified amount of grease to the following portions. Nippeco SEP-3A grease • Entire circumference of the Gear [36], particularly its teeth •...
Wiring diagram Connect the internal wires correctly as illustrated in the diagrams below. If the internal wires are incorrectly connected, the motor may not turn or other problems could occur. Fig. 8 • Wiring diagram Red internal wire (soldering) Black internal wire (soldering) (Europe, Australia, and New Zealand) Red internal wire...
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Fig. 9 • Connecting diagram DC-speed control switch Noise suppressor S G T Black (–) Black White White Black Battery terminal – Indicator ass’y For Europe, Australia, and New Zealand DC-speed control switch Ferrite core Noise suppressor S G T Black (–) Black...