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Order Number PTD0707U37CE

F16

Cordless Impact Driver

Model No. EY7542

North America

TABLE OF CONTENTS

PAGE PAGE

1 Warning-------------------------------------------------------------- 2

2 Specifications ----------------------------------------------------- 2

3 Troubleshooting Guide ----------------------------------------- 3

4 Disassembly and Assembly Instructions ---------------- 5

5 Wiring Connection Diagram ---------------------------------13

6 Schematic Diagram ---------------------------------------------13

7 Exploded View and Replacement Parts List -----------14

Summary of content (16 pages)

PAGE 1
Order Number PTD0707U37CE F16 Cordless Impact Driver Model No.
PAGE 2
1 Warning Caution: • Pb free solder has a higher melting point that standard solder; Typicall 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 soldering iron, please be careful not to heat too long. • Pb free solder will tend to splash when heated too high (about 1100°F / 600°C).
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Troubleshooting Guide (Refer to WIRING CONNECTION DIAGRAM) 3
PAGE 4
PAGE 5
4 Disassembly and Assembly Instructions 4.1. Disassembly Instructions Ref. No. 1A Procedure 1A Removal of the Housings. 1. Loosen the belt hook bolt turning it counterclockwise, using a coin or a flat blade screwdriver. 2. Take out the belt hook. 3. Remove four screws where tightening fixing cover. 4. Remove eight housing screws. 5. Pull off the fixing cover assembly. 6. Once removing the clutch handle, the out-put shaft may come out. 7. Remove torque click spring and click spring. 8.
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Ref. No. 1B Procedure 1A → 1B Removal of Motor assembly and Gear hammer block. 1. Unscrew to disconnect the lead wires between switch and motor. 2. Take out the motor assembly with the gear box block from the housing. 3. Separate the motor assembly from the gear box block. 4. Take out the ring gear from the revolving stand.
PAGE 7
Ref. No. 1C Procedure 1A → 1B → 1C Removal of Gear box assembly. 1. Hold the driving carrier as illustrated. 2. Compress the assembly and take out the pin. 3. Take out the driving shaft assembly and the gear case assembly from the shaft of the driving carrier. NOTE: Make sure not to lose the pin and the connect piece. Ref. No. 1D Procedure 1A → 1B → 1C → 1D Removal of Gear case assembly. 1. Take out the mode change handle. 2. Pull out 2 pins ( 2.5x33.6). 3.
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4.2. Reassembly instructions Ref. No. 2A Procedure 2A Assembly of Gear case block. 1. Assemble thrust plate, clutch gear, planet gear (3pcs), carrier, thrust plate and insert pins (2pcs). 2. Reinstall one piece of steel ball into each of 6 holes. 3. Assemble clutch plate and clutch spring. 4. Align the widest protrusion of adjusting screw with the narrower protrusion of gear case. 5. Turn the adjusting screw into the gear case assembly one rotation for clockwise direction. 6.
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Ref. No. 2B Procedure 2A → 2B Assembly of Gear box assembly. 1. Insert the driving carrier into the hole of gear case assembly and the driving hammer assembly. 2. Hold the driving carrier as illustrated and confirm if the connect piece is inside of the driving shaft block. 3. Insert the pin into the shaft of driving carrier holding the bottom of the gear box assembly by hand. 4. Align the wider groove of revolving stand with the wider protrusion of gear case. 5.
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Ref. No. 2C Procedure 2A → 2B → 2C Assembly of Switch and Motor assembly. 1. Insert the motor and gear & hammer assembly into the housing. 2. Connect the switch assembly with motor lead wires. 3. Set the motor lead wire (black) is on the upper side of switch assembly. 4. Confirm to set the motor lead wire (red) under the black lead wire and confirm if there is no pinching with switch. 5. Place the battery terminal lead wire (black) is over the wire (red) properly.
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Ref. No. 2D Procedure 2A → 2B → 2C → 2D Assembly of Housing. 1. Set the hook release lever on the housing. 2. Close the housing A and B. 3. Confirm if the wider protrusion of adjusting screws is placed on bottom (switch side). NOTE: If the adjusting screw does not set correctly, it will make the wrong clutch force. 4. Set the mode change handle to IMPACT drive mode. 5. Tighten eight housing screws. 6. Place the torque click spring and click spring properly. 7.
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Ref. No. 2E Procedure 2A → 2B→ 2C → 2D → 2E Assembly of Fixing cover. 1. Place the clutch handle with position 1 on top. 2. Set the fixing cover with 3. Tighten four screws. 12 mark on top.
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5 Wiring Connection Diagram 6 Schematic Diagram 13
PAGE 14
7 Exploded View and Replacement Parts List Model No.
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Model No. : EY7542 Safety Ref. No. Parts List Part No. Part Name & Description Q'ty Remarks 1 WEY7542K3078 HOUSING AB SET 1 2 WEY6507K1167 C-TYPE RING 1 3 WEY6507L0857 THRUST PLATE 1 4 WEY6507L0197 BIT HOLDER SPRING 1 5 WEY6507K3717 BIT HOLDER 1 6 WEY6504S9067 TIGHT SCREW 4 (4*25) 7 WEY6507S0647 FIXING COVER 1 8 WEY7542K3747 CLUTCH HANDLE 1 9 WEY7542L0968 O-RING 1 10 WEY6505L0867 SLIDER 1 11 WEY6507L6977 STEEL BALL 2 (φ3.
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Model No. : EY7542 Safety Ref. No. Parts List Part No.