1 Warning Caution: • Pb free solder has a higher melting point that standard solder; Typically the melting point is 50 - 70°F (30 - 40°C) higher. Please use a soldering iron with temperature control and adjust it to 750 ± 20°F (400 ± 10°C). In case of using high temperature solder- ing iron, please be careful not to heat too long.
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3.2. Trial Operation (after checking Troubleshooting Guide). 3.2.1. Assembly • Confirm if there is no gap between housing A and B by pinching lead wires. • There is no dust or deformation on battery terminals. 3.2.2. Operation • Check whether the switch can be moved between the “ HIGH “ and “ LOW “ positions. •...
4 Disassembly and Assembly Instructions * To assemble the tool, start with 4-6 and proceed to 4-1. 4.1. Removing the Exterior components. 4.2. Removing the Housing. 4.3. Removing the Motor assembly and Module assembly. 4.4. Removing Solder Connections.
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4.5. Removing the Support rubber. 4.6. Wiring and Assembly Points.
5 Exploded View and Replacement Parts List Model No. : EY37A3 Exploded View...
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Model No. : EY37A3 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks WEY37A3K3497 DUST CUP ASSEMBLY * Only available as an optional a WEY37A3L0247 DUST FILTER ccessory in EU area. * Only available as an optional a...