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(iii) Install Washer (B) [23] in the Rear Case [14] with the projections of Washer (B) [23] engaged with the

recesses in the Rear Case [14], and turn Washer (B) [23] clockwise until it can turn no further.  (See

Fig. 10.)

Fig. 10

Recess

Projection

Projection

[23]

(c) Install the Click Spring [8] and the Cap [4] on the assembly reassembled in step (b).  (See Fig. 11.)

(i) Insert the projection of the Click Spring [8] into the hole of the Front Case [9].

(ii) Mount the Cap [4].

Mount the Nut [5] into the Cap [4] engaging the wider projection of the Nut [5] with the wider recess of

the Cap [4].  (The wider recess of the Cap [4] is positioned at "1" when viewed from the outside.)

(iii) Apply grease (Hitachi Motor Grease No. 29, Code No. 930035) to the sliding surfaces of the Cap [4]

and the Click Spring [8].

Fig. 11

Cap [4]

Click Spring [8]

Hole

Pro-
jection

Wider recess

"1"

Recesses

Cap [4]

Nut [5]

Wider projection

Nut

Projections

(d) Install the Shift Arm [16] into the assembly reassembled in step (c).

With the ridge at the Shift Arm [16] facing the Motor [25] side, first install them on the unmarked side of the

assembly reassembled in step (c).  Then insert the projections on the Shift Arm [16] into the holes in the

Rear Case [14] and make sure that the projections are fitted into the grooves in the Slide Ring Gear [17]

mounted within the Rear Case [14].  (See Fig. 12.)

Summary of Contents for FDS 12DVA

Page 1: ...POWER TOOLS TECHNICAL DATA AND SERVICE MANUAL CORDLESS DRIVER DRILL FDS 9DVA SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LIST No F834 Nov 1999 F MODEL FDS 9DVA ...

Page 2: ... DATA AND SERVICE MANUAL a symbol s is are used in the place of company name s and model name s of our competitor s The symbol s utilized here is are as follows Symbols Utilized Competitors Company Name Model Name BOSCH PSR9 6VES 2 B ...

Page 3: ...cks of Cordless Driver Drills Requiring Particular Attention During Sales Promotion 8 9 REFERENCE MATERIALS 9 9 1 Speed Control Mechanism 9 Service Section 10 REPAIR GUIDE 10 10 1 Precautions in Disassembly and Reassembly 10 10 2 Precautions in Disassembly and Reassembly of Battery Charger 16 11 STANDARD REPAIR TIME UNIT SCHEDULES 17 Appendix Assembly Diagram for FDS 9DVA 18 Notice for use Specifi...

Page 4: ...the market share of Hitachi Power Tools Vigorous sales promotion is anticipated with concurrent introduction of new Model FDS 12DVA 3 APPLICATIONS Tightening and loosening wood screws self tapping screws and machine screws Drilling into wood materials plastic mild steel and aluminum 4 SELLING POINTS Variable torque setting for fastener tightening 22 position adjustable torque setting 10 mm keyless...

Page 5: ...ess chuck facilitates fast and easy replacement of driver bits Replacement can be carried out simply by holding the ring with one hand while turning the sleeve with the other hand 4 1 4 Variable Speed Switch with Braking Function The braking function allows the driver unit to stop rotation immediately when the trigger switch is released which is a convenient feature during actual working Also the ...

Page 6: ...oltage DC 9 6 V Nominal life Charging discharging approximately 500 times Nominal capacity 1 4 Ah Charging time 60 minutes with standard accessory charger at ambient temperature of 20 C Charging temperature 10 C 40 C 50 F 104 F Overcharge prevention circuit A thermostat monitors the surface temperature of the battery and on detecting the temperature rise which occurs on completion of charging auto...

Page 7: ...s 17 6 N m 180 kgf cm 156 in lbs 5 9 N m 60 kgf cm 52 in lbs 1 4 Ah 9 6 V 60 minutes Cassette type 220 mm 8 21 32 1 5 kg 3 2 lbs FDS 9DV FDS 10DVA 6 mm 1 4 5 5 mm dia x 45 mm length 12 x 1 25 32 10 mm 3 8 10 mm 3 8 18 mm 23 32 0 280 min 0 850 min Keyless 10 mm 3 8 DC magnet motor HITACHI Equipped 1 0 5 0 N m 10 50 kgf cm 9 43 in lbs 5 positions 14 7 N m 150 kgf cm 130 in lbs 4 9 N m 50 kgf cm 43 i...

Page 8: ...materials moisture content of wood charging condition operator skill etc This data should be used as a comparative guide only Type of work Maker Model name Working capacity 1 Driling speed sec pc 0 0 250 50 500 100 750 150 1000 200 45 50 35 165 135 120 90 75 60 850 840 665 FDS 9DVA FDS 9DV FDS 9DVA FDS 9DV FDS 9DVA FDS 9DV FDS 9DVA FDS 9DV HITACHI B HITACHI B HITACHI B HITACHI B 26 25 20 4 6 5 4 4...

Page 9: ...C outlet fuel powered generator etc will cause the Charger to overheat and burn out 4 Do not use any voltage increasing equipment transformer etc between the power source and the Charger If the charger is used with voltage higher than that indicated on the unit it will not function properly 5 Conduct battery charging at an ambient temperature range of 10 C 40 C 50 F 104 F Special temperature sensi...

Page 10: ...ssary 9 Disposal of the Type FEB 9S Storage Battery Ensure that all customers understand that Type FEB 9S Storage Batteries should be turned in to any Hitachi Power Tools sales outlet or authorized service center when they are no longer capable of being recharged or repaired If thrown into a fire the batteries may explode or if discharged indiscriminately leakage of the cadmium compound contained ...

Page 11: ... high speed attempting such work at high speed will not improve working efficiency 3 Do not insert a foreign object into body vent holes The body on this tool has vent holes for improving the cooling efficiency As a fan is built into the motor a foreign object inserted through a vent hole may cause a failure Please instruct customers to never insert a foreign object into the vent hole 4 Avoid Lock...

Page 12: ...r a long time charging may not be possible if the temperature of a battery type FEB 9S is above 40 C 104 F In such a case the customer should be advised to place the battery in a shaded area with a good airflow and allow sufficient cooling before recharging This phenomenon is common to all existing batteries and chargers which employ temperature sensitive overcharge protection devices The cooling ...

Page 13: ...14 Remove the Shift Knob 36 from the Shift Arm 16 Take care not to remove the Shift Arm 16 from the Rear Case 14 in this operation b Attach the motor spacer an accessory of the special repair tool J 292 Code No 316379 to the assembly of the Drill Chuck 2 Cap 4 Front Case 9 and Rear Case 14 and then mount it in special repair tool J 292 clamped in the vise as illustrated in Fig 4 In this operation ...

Page 14: ...ower supply unit Note Do not remove the fin secured to the DC Speed Control Switch 34 with a screw Remove the two Machine Screws M3 x 8 29 and take the Motor 25 and the Motor Spacer 24 apart Disconnect the Internal Wires B 32 33 from the Motor 25 with a soldering iron then disconnect them from the DC Speed Control Switch 34 with a soldering iron in the same manner 10 1 2 Reassembly Reassembly can ...

Page 15: ...f the Motor 25 is positive See Fig 6 c Apply grease Hitachi Motor Grease No 29 Code No 930035 is recommended to the pinion press fitted on the Motor 25 shaft 2 Reassembly of the clutch unit a Mount Washer D 7 and the Spring 6 to the Front Case 9 See Fig 7 When mounting Washer D 7 into the Front Case 9 align the projection on the Front Case 9 with the notch of Washer D 7 Fig 6 Fig 7 Positive side R...

Page 16: ... surface Register mark oo Register mark Register mark o Z surface of Nut 5 Z surface of Front Case 9 5 9 5 9 3 Reassembly of the gear unit a Apply grease Hitachi Motor Grease No 29 Code No 930035 to the meshing parts of the gear b Install the parts series from the twelve Steel Balls D5 10 to Washer B 23 into the assembly reassembled in step 2 See Fig 9 i Note the direction of the groove when insta...

Page 17: ...Cap 4 The wider recess of the Cap 4 is positioned at 1 when viewed from the outside iii Apply grease Hitachi Motor Grease No 29 Code No 930035 to the sliding surfaces of the Cap 4 and the Click Spring 8 Fig 11 Cap 4 Click Spring 8 Hole Pro jection Wider recess 1 Recesses Cap 4 Nut 5 Wider projection Nut Projections d Install the Shift Arm 16 into the assembly reassembled in step c With the ridge a...

Page 18: ...itive side of the Motor 25 and turn the Motor Spacer 24 clockwise when viewed from the rear of the Motor 25 until it can turn no further During installation make sure that the pinion press fitted onto the shaft of the Motor 25 and Planet Gear A 21 mesh properly Fig 12 16 Ridge 16 Hole Groove Mark Fig 13 4 Installation of the Bit Holder 28 into Housing B 31 Fit the upper and lower projections of th...

Page 19: ...on 35 is pressed from the R marked side the Drill Chuck 2 should turn clockwise when viewed from the rear opposite side of the Drill Chuck 2 Also make sure that the turning speed of the Drill Chuck 2 switches between HIGH and LOW by switching over the Shift Knob 36 Make sure that the run out of the Drill Chuck 2 holding a 9 mm dia test bar is below 0 8 mm at a distance of 85 mm from the chuck end ...

Page 20: ...FDS9DVA Work Flow Housing A B Set Motor Cap DC Speed Control Switch Nut Shift Arm Fin 60 50 Gear Box Ass y Front Case Lock Ring Ring Gear Carrier First Ring Gear Planet Gear A Set Pinion B Pinion C Slide Ring Gear Planet Gear C Set Rear Case Spring Drill Chuck General Assembly ...

Page 21: ... 18 Assembly Diagram for FDS 9DVA ...

Page 22: ...315 816 PLANET GEAR B SET 3 PCS 3 20 315 804 PINION B 1 21 315 815 PLANET GEAR A SET 3 PCS 3 22 315 136 FIRST RING GEAR 1 23 312 716 WASHER B 1 24 318 231 MOTOR SPACER 1 25 318 244 MOTOR 1 26 991 672 TAPPING SCREW W WASHER D3X16 7 27 NAME PLATE 1 28 318 237 BIT HOLDER 1 29 949 203 MACHINE SCREW M3X8 10 PCS 2 30 949 451 SPRING WASHER M3 10 PCS 2 31 318 243 HOUSING A B SET 1 32 306 041 INTERNAL WIRE...

Page 23: ...ITEM NO CODE NO DESCRIPTION NO USED REMARKS 501 CHARGER MODEL UC 9SD 1 502 318 236 DRIVER BIT NO 2 55L 1 503 318 246 CASE 1 503 318 361 CASE 1 FOR MODEL WITH TORCHLIGHT 504 BIT SET 1 505 TORCHLIGHT MODEL UB 12D 1 ALTERNATIVE PARTS 9 99 ...

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