Makita HR3200C Manual

PRODUCT
P 1/ 24
T
ECHNICAL INFORMATION
HR3200C HR3210C
Europe: 4.0 (13.1), Brazil: 2.0 (6.6), Other countries: 5.0 (16.4)
HR3210FCT
5.0 (11.0)
SDS-plus
32 (1-1/4)
4.4 (9.7) 4.8 (10.6)
13 (1/2)
32 (1-1/4)
315 - 630
1,650 - 3,300Impacts per minute: min-1= ipm
No load speed: min-1= rpm
Specification
Double insulation
Net weight: kg (lbs)
Power supply cord (m: ft)
Operation mode 3 modes
(Rotation only/ Rotation with Hammering/ Hammering only)
Concrete TCT bit
Steel
Wood
90 (3-1/2)Core bit
Capacities:
mm (”)
Model
Shank type
Model No.
Description
CONCEPT AND MAIN APPLICATIONS
Specification
Standard equipment
Optional accessories
Side handle (Bar-shaped) .... 1
Depth gauge ........................ 1
TCT bits (taper shank), Taper shank adapter, Cotter, Core bits, Center bit, Core bit adapter , Rod, Bull points, Cold chisels,
Scaling chisels, Grooving chisels, Scraper assembly, Dust cups 5 and 9, Drill chuck assembly,Drill chuck adapter,
Drill chuck S13, Chuck key S13, Depth gauge, Blow-out bulb, Grease vessel (containing 30g of Hammer grease), Grease
vessel 93G (Containing Bit grease), Safety goggle, Hammer service kit, Quick change drill chuck (for HR3210FCT only)
Grease vessel 93G (containing Bit grease) ................ 1
Quick change drill chuck (for HR3210FCT only) ..... 1
Plastic carrying ............ 1
Dimensions: mm (")
Width (W)
Height (H)
Length (L)
Model No. HR3200C HR3210C HR3210FCT
398 (15-5/8) 424 (16-3/4)
114 (4-1/2)108 (4-1/4)
239 (9-3/8)
Note: The standard equipment for the tool shown above may differ by country.
HR3200C, HR3210C, HR3210FCT
Rotary Hammer 32mm (1-1/4")
HR3200C series models have been developed as successor models
of HR3000C, featuring low vibration level and lightweight design.
Listed below are specification differences among the three models.
HR3210FCT
HR3210C
HR3200C
L
H
W
Continuous Rating (W)
Voltage (V) Cycle (Hz) Input Output Max. Output (W)
110
120
220
230
240
8.6
8.2
4.4
4.4
4.4
50/60
50/60
50/60
50/60
50/60
850
---
850
850
850
300
300
300
300
300
1,100
1,100
1,100
1,100
1,100
Current (A)
Torque limiter
Electronic
features
Variable speed control by dial
Constant speed control
Soft start
Yes
Yes
Yes
Yes
Yes
Active dynamic vibration absorber
Model No.
AVT Vibration absorbing handle
Quick change drill chuck
Yes Yes
Yes
Yes
NoNo
No
LED Job light NoNo
HR3200C HR3210C HR3210FCT

P 2/24
[2] LUBRICATION
Apply Makita grease R. No.00 (Part No. 181490-7: Hammer grease 30g) to the following portions designated with the black
triangle to protect parts and product from unusual abrasion.
[1] NECESSARY REPAIRING TOOLS
CAUTION: Unplug the tool and remove the bit for safety before repair/ maintenance in
accordance with the instruction manual!
Fig. 1
Repair
DescriptionCode No.
1R003 Retaining ring S pliers ST-2N Removing / Assembling Ring spring 19
1R045 Gear extractor (large) Removing Armature from Gear housing
1R212 Tip for Retaining ring pliers Tip for Retaining ring pliers
1R288 Screwdriver magnetizer Magnetizing Screwdriver when removing Pin and Steel ball
1R259 Taper sleeve Fitting Fluoride ring to Impact bolt
1R230 1/4” Hex. shank bit for M6 Removing Hex socket head bolt M6x25 for tightening Barrel complete
1R269 Bearing extractor Removing Ball bearings
1R346 Center attachment for 1R045
Use for
Spiral bevel gear 37 Gear teeth
Gear teeth
Item No. Description AmountPortion to lubricate
76
42
43
48
86
82
106
103
Striker
Piston
Torque limiter complete Gear teeth
O ring 16
96
81
40
46
106
Spur gear 33 Gear teeth
103
Spiral bevel gear 9 Gear teeth
96
48
2g
total 13g
total 13g
a little
a little
Crank gear
Gear shaft
86
Between Striker and Piston in Cylinder 25
Spur gear 33 complete Gear teeth 76
a
a
c
44
21
19
32
Inner periphery of Oil seal 28 (the component of Barrel complete)
Inner surface of Plane bearing 34 (the component of Barrel complete)
Barrel complete
19
Bit installation side
Crank housing side
Flat washer 34
Flat washer 34
21
23
Outer surface
Cylinder 25
32
Whole portionO ring 26
40
Whole portion
Whole portion
Pin 7
44
Whole portionO ring 18
42 43
23
26 27
81
Gear teeth
Crank housing complete
82
87
87
Crank room b
c
b

P 3/ 24
[2] LUBRICATION (Cont.)
Regarding HR3210C and HR3210FCT, apply a little bit amount of Makita grease R. No.00 (Part No. 181490-7: Hammer
grease 30g) to the following portions of AVT mechanism designated by black triangle.
Apply a little bit amount of Makita grease N. No.2 (Part No. 181573-3: Grease vessel 93g) to the following portions
designated with the gray triangle.
Fig. 3
Repair
Item No. Description Portion to lubricate
6
2
2 Tool holder cap
Steel ball 7
Lip portion
Whole portion
6
Tool holder
Tool holder
2
6
Steel ball 6 Whole portion10
10
HR3200C, HR3210C
HR3210FCT
Fig. 2
AVT for HR3210C,
HR3210CT
50
55
52
61
63
57
58
Item No. Description Portion to lubricate
Counter weight Drum portion58
50 O ring 8 Whole portion
52 O ring 8 Whole portion
55 O ring 18 Whole portion
63
61
57

P 4/ 24
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Tapping Screws
Repair
4x14 and 4x18 Tapping screws are used as illustrated in Fig. 4.
Pay attention not to confuse their positions.
Change lever 4x14 Tapping screw for tightening:
4x14
4x14
4x14
4x14
4x1869
69
4x18
4x18
4x14
4x14
4x18
Crank cap cover
Cap holder
Brush holder unit
Spur gear 33
complete
Rear cover
Cord clamp base
Handle
Handle
cover
Controller
Cord clamp
Crank cap
Motor housing
Crank gear
2pcs.
6pcs.
1pc.
1pc.
1pc.
1pc.
Crank cap cover to Crank cap
Cap holder to Crank gear
Controller to Motor housing
Cord clamp base to Controller
Cord clamp to Cord clamp base
Total of used 4x14 Tapping screws
4x18 Tapping Screw for tightening:
1pc.
8pcs.
2pcs.
4pcs.
1pc.
Change lever to Spur gear 33 comp.
Rear cover to Motor housing
Brush holder unit to Motor housing
Handle cover to Handle
Total of used 4x18 Tapping screws
67
67 67
89
89
128
125
128
131
131
133
133
124
124
125
153
153
Fig. 4

P 5/ 24
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Chuck Section (Model HR3200, HR3210C)
Repair
DISASSEMBLY
DISASSEMBLY
Fig. 5
Fig. 6
5x25 Tapping screw : 2 pcs.
1) Remove Controller and Handle section and then upright the machine as illustrated in Fig. 5.
2) Disassemble Chuck section as illustrated in Fig. 6.
Tool holder cap
Chuck cover
Ring
spring 19
Guide
washer
Tool
holder
Conical compression
spring 22-32
Remove Tool holder
cap with Slotted
screwdriver.
Chuck cover can be
removed by hand.
And then, remove
Ring spring 19.
Ring 21 can be
removed.
Remove Steel ball 7 with
magnetized Screwdriver,
while pressing down Guide
washer. Remove Guide washer
and Conical compression
spring 22-32.
Compression spring 11
M5x20 Pan head
screw: 2 pcs.
Chuck
cover Ring 21
Steel
ball 7
Steel ball 7: 2 pcs.
Guide
washer
Guide
washer
Screwdriver
magnetized
with 1R288
Fig. 7
Change
cover
Change
cover
While pressing down Change cover, pull off Tool holder assembly.
Tool holder guide
Tool holder assembly Tool holder assembly
1) Remove Handle section and then upright the machine. (Fig. 5) Separate Tool holder assembly from the Machine. (Fig. 7)
Retaining ring S-28
Washer 28
[3] -1A. Chuck Section (Model HR3210FCT)
Handle section
Controller
4x18 Tapping screw: 2 pcs.

P 6/24
[3] DISASSEMBLY/ASSEMBLY
[3] -1A. Chuck Section (Model HR3210FCT)
Repair
DISASSEMBLY
Fig. 8
Fig. 9
Fig. 11
Retaining
ring S-28
Tool holder
Tool
holder
Change ring Change ring
Washer 28
1R269
1. Remove Retaining ring 28 with 1R269 while
pressing down Washer 28.
Note: Keep to press Washer 28 until it is removed so
as not to be slung by Compression spring 42.
2. Disassemble Washer 28 slowly.
3. Remove Compression spring 42.
1. Remove Ring spring 34 from Change ring.
2. Remove Change cover.
3. Remove Flat washer 37 from the rim portion
of Change ring.
4. Remove Change ring from Tool holder.
Washer 28
Compression
spring 42
Flat washer 37
Ring
spring 34
Ring spring
34
Change ring
Change cover
Tool holder
1R003
Tool holder cap
Chuck cover
Ring
spring 19
Guide
washer
Guide
washer
Tool
holder
Conical compression
spring 22-32
Chuck
cover
Ring 21
Steel ball 7
Steel Ball 7: 2 pcs.
Guide washer
Screwdriver
magnetized
with 1R288
Tool holder
Tool holder
Remove Tool holder cap
with Slotted screwdriver.
Chuck cover can be
removed by hand.
And then, remove
Ring spring 19.
Ring 21 can be removed.
Remove Steel ball 7 with
magnetized Screwdriver
while pressing down
Guide washer.
Remove Guide washer
and Conical compression
spring 22-32.
Tool holder cap
Tool holder
Flat washer 37 Washer 28
Guide washer
Change ring
Change cover
Retaining
ring S-28
Chuck cover
Conical
compression
spring 22-32
Compression
spring 42
Steel ball 7
Ring spring 19
Ring 21 Ring spring 34
Disassemble as illustrated in Fig. 11. Disassemble as illustrated in Figs. 9 and 10.
2) The construction of Tool holder assembly is as illustrated in Fig. 8. The rear parts can be disassembled as illustrated in
Figs. 9 and 10. And disassemble the front Parts as illustrated in Fig. 11.
Fig. 10

P 7/ 24
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Chuck Section (Model HR3200, HR3210C)
Repair
DISASSEMBLY
ASSEMBLY
ASSEMBLY
Take the reverse steps of the disassembling procedure.
Refer to Figs. 6 and 5.
Take the reverse steps of the disassembling procedure.
Refer to Figs. 11, 10, 9 and 7.
1) Disassemble Chuck section as illustrated in Figs. 5 and 6. (Model HR3200C, HR3210C)
1A) Separate Tool holder assembly from the Machine as illustrated in Figs 5 and 7. (HR3210FCT)
2) Disassemble Tool holder section (HR3210FCT: Tool holder guide section) together with Cylinder section.
And Oil seal can be removed from Barrel complete as illustrated in Fig. 13.
[3] -1A. Chuck Section (Model HR3210FCT)
Note: Fit Compression spring 42 into the groove of Washer 28. (Fig. 12)
Washer 28
Groove
Compression
spring 42
Fig. 12
Fig. 13
HR3200C
HR3210C
HR3210FCT
[3] -2. Tool Holder Section
Disassemble Crank housing
cover and Barrel complete.
M6x25 Hex socket
head bolt: 4 pcs.
M4x16 Hex socket
head bolt: 1 pc.
Disassemble Tool holder section together with
Cylinder section by striking Tool holder.
Disassemble Tool holder guide section
together with Cylinder section by striking Tool
holder guide.
Cylinder
section
Tool holder
guide section
Barrel
complete
Barrel
complete
Barrel complete
Crank housing
cover
Tool holder
section
Cylinder
section
Oil seal
Barrel complete
From Barrel Complete, Oil seal can
be removed as illustrated above.

P 8/ 24
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Tool Holder Section
Repair
DISASSEMBLY
Pin 6 joining Tool holder
to Cylinder 25: 4 pcs.
Flat washer 34: 2 pcs.
1. Remove Flat washer 34
and Urethane ring 34.
2. Apply magnetized
Screwdriver to Pin 6,
Screwdriver
magnetized
with 1R288
Urethane ring 34
Pin 6: 4 pcs.
Cylinder 25
Pin 6
Tool holder
Tool holder
Cylinder 25
3. Align Tool holder's hole
with that of Cylinder 25
by pushing Tool holder.
4. Remove Pin 6 with
magnetized Screwdriver
when the both holes are
aligned each other.
Remove Tool holder and Striker
from Cylinder 25. And then, pull
out Impact bolt from Tool holder.
Tool holder section
Impact bolt
HR3200C, HR3210C
Fig. 14
Fig. 14A
3) HR3200C, HR3210C: Separate Tool holder section from Cylinder section, and remove Impact bolt from Tool holder.
(Fig. 14) Now Rings on Impact bolt are ready to be replaced in the next step.
3A) HR3210FCT: Separate Tool holder guide section from Cylinder section, and remove Impact bolt from Tool holder
guide. (Fig. 14A) Now Rings on Impact bolt are ready to be replaced in the next step.
4) If Dust is recognized inside Tool holder (Tool holder guide) after removing Impact bolt, make the inside clean.
Cylinder section
Striker
Pin 6 joining Tool holder
to Cylinder 25: 4 pcs.
Flat washer 34: 2 pcs.
Urethane ring 34
Pin 6: 4 pcs.
Tool holder guide
Cylinder 25
1. Remove Flat washer 34
and Urethane ring 34.
2. Apply magnetized
Screwdriver to Pin 6,
3. Align the Hole of Tool
holder guide with that of
Cylinder 25 by pushing
Tool holder guide.
4. Remove Pin 6 with
magnetized Screwdriver
when the both holes are
aligned each other.
Screwdriver
magnetized
with 1R288 Cylinder 25
Pin 6
Tool holder guide
Remove Tool holder guide and Striker
from Cylinder 25. And then, pull out
Impact bolt from Tool holder guide.
Tool holder
guide section Impact bolt
HR3210FCT
Cylinder section
Striker

P 9/ 24
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Tool holder section
Repair
DISASSEMBLY
if O ring 15 (orange color) comes into
sight through the worn Fluoride ring 20,
All the Rings on Impact bolt have to be
replaced,
Fluoride ring 20
(the worn one)
Impact bolt
O ring 15
O ring 15
(orange color)
Fig. 15
5) If Fluoride ring 20 is in the condition as illustrated in Fig. 15, all the Rings on Impact bolt have to be replaced.
2) Take the reverse of the disassembling steps. Refer to Figs. 14 (or 14A) and 13.
Note: Flat washers and Urethane ring have to be assembled to Cylinder 25 to fix Pin 6 as illustrated in Fig. 17.
Pin 6 joining Tool holder
to Cylinder 25: 4 pcs.
Urethane ring 34
Urethane ring 34 has to
be assembled between
Urethane rings.
Flat washer 34
Tool holder guide
Cylinder 25
ASSEMBLY
Fig. 16
Fig. 17
1) Replace Rings on Impact bolt as illustrated in Fig. 16.
1R259
Correction
Insert Impact bolt from
the side marking HR3000C
on 1R259 and keep them
approx. 60 seconds in
1R259.
Impact bolt
Assemble of Rings to Impact Bolt
Before Correction:
Rings' edges are protruding from
the top edge of the groove on
Impact bolt.
Groove on Impact bolt
Fluoride ring 20
O ring 15 O ring 15
After Correction:
Rings' edges are positioned
under the top edge of the
groove on Impact bolt.
Corrected

P 10/ 24
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Cylinder Section
Repair
DISASSEMBLY
1) HR3200C, HR3210C: Disassemble Chuck section. (Figs. 5 and 6)
HR3210FCT: Disassemble Tool holder assembly. (Figs. 5 and 7)
2) After removing Crank housing cover, disassemble Barrel complete, and separate Tool holder section from Barrel
complete. (Fig. 13)
3) Separate Tool holder section (Tool holder guide section) from Cylinder section. (Figs. 14 and 14A)
4) The parts on Cylinder 25 can be removed as illustrated in Fig. 18.
5) Disassemble Rubber ring 13 and Slide plate from the inside of Cylinder 25 as illustrated in Fig. 19.
O ring 26 Driving sleeve Lock sleeve
Flat washer 40
Ring 29
Slide
sleeve
Compression
spring 34
Cylinder 25
Compression
spring 42
Fig. 18
Fig. 19
Rubber ring 13
Remove Rubber ring 13.
Slide plate
Now Slide plate is removed
from Cylinder 25.
Align Slide plate with the
elliptic hole of Cylinder 25
by turning approx. 90 degree.
ASSEMBLY
1) Take the reverse of the disassembling steps. Refer to Figs. 19 and 18.
Join the assembled Cylinder section to Tool holder (Tool holder guide section) with Pin 6.
Refer to Figs. 14 and 14A.
Note: When inserting Rubber ring 13 into Cylinder 25, face the steel portion of Rubber ring 13 to Tool holder (Tool holder
guide) side as illustrated in Fig. 19.
Impact bolt
Rubber portion
of Rubber ring 13
Cylinder 25
Slide plate
Steel portion
of Rubber ring 13
Tool holder
(Tool holder guide)
Fig. 20

P 11/ 24
Repair
DISASSEMBLY
[3] DISASSEMBLY/ASSEMBLY
[3] -4. Active Dynamic Vibration Absorber
1) Disassemble Handle section. (Fig. 5)
2) HR3200C, HR3210FC: Disassemble Chuck section. (Fig. 6)
2A) HR3210FCT: Disassemble Tool holder assembly. (Fig. 7)
3) Disassemble Crank housing cover. (Fig. 13) And remove Crank cap cover as illustrated in Fig. 21.
4) Remove Active Dynamic Vibration Absorber from Crank housing complete as illustrated in Fig. 22.
And disassemble as illustrated in Fig. 23.
Fig. 21
Fig. 22
Fig. 23
4x14 Tapping screw: 2 pcs.
Crank cap cover
Compression
spring 11
Spring guide
Absorber holder of
Crank housing complete
Pipe holder
Push Spring guide
(inner part of
Absorber).
Absorber holder
The Spring guide tilts to be
locked inside Absorber,
and the end of Absorber is
released from Crank housing
complete.
Disassemble Active Dynamic Vibration Absorber as follows.
Disassemble Active dynamic
vibration absorber by levering up
with two Slotted screwdriver.
Active dynamic
vibration absorber
Phillips
screwdriver Phillips
screwdriver
Slotted screwdriver
Pipe holder Pipe holder
O ring 8
O ring 8 O ring 8
O ring 8
O ring 18 O ring 18
Compression spring 10 Compression spring 10
Spring guide
Pipe 15
Counter weight Spring guide
Pipe holders can now be
separated by turning Pipe
holders while pushing
strong toward each other.

P 12/ 24
[3] DISASSEMBLY/ASSEMBLY
[3] -4. Active Dynamic Vibration Absorber
Repair
ASSEMBLY
Spring guide
Compression
spring 10
Compression
spring 10
Spring guide
If Spring guide is locked
in Absorber, push Spring
guide so as not to be stuck
and check that the tip of
Spring guide comes out
by return force of
Compression spring 10.
Spring guide
Assemble Active dynamic vibration absorber
by pressing while maintaining the position
parallel to Crank housing.
Spring guide
Fig. 24 Fig. 25
1) Assemble Active dynamic vibration absorber. Refer to Fig. 23.
2) Set Spring guide to the position in place as illustrated in Fig. 24.
3) Mount the Active dynamic vibration absorber on the both side of Crank housing complete. (Fig. 25)
4) After the step of Fig. 25, take the reverse of disassembling. Refer to Figs 21, 13, 7 or 6 and Fig. 5.
[3] -5. Motor Section, Torque Limiter Section
DISASSEMBLY
1) HR3200C, HR3210C: Disassemble Chuck section. (Fig. 6).
HR3210FCT: Remove Tool holder assembly. (Fig. 7)
2) Remove Crank housing cover. (Fig. 13)
3) As illustrated in Fig. 25, disassemble Crank cap cover, Active dymamic vibration absorber, Handle section and
Rear cover from Crank housing complete and Motor housing.
.
Fig. 25
4x18 Tapping screw: 2 pcs.
4x14 Tapping screw: 2 pcs.
5x25 Tapping screw: 2 pcs.
5x20 Pan head screw: 2 pcs.
Active dymamic
vibration absorber
(HR3210C, HR3210FCT)
Active dymamic
vibration absorber
(HR3210C, HR3210FCT)
Handle Section
Rear cover
Crank cap cover

P 13/ 24
[3] DISASSEMBLY/ASSEMBLY
[3] -5. Motor Section, Torque Limiter Section
Repair
DISASSEMBLY
Disconnect the connector of Lead unit from Controller.
Handle section can be separated completely from
machine.
Disconnect the connector of LED Circuit.
Controller and Cord clamp base can be
removed from Motor housing by unscrewing
4x18 Tapping screws.
4) Disconnect connectors to disassemble Handle section as illustrated in Fig. 26.
Fig. 26
Handle section
Controller
Cord clamp base
Carbon brush
Disconnection of the Contact of Carbon brush with Commutator
Spiral spring
Carbon brush
Carbon brush
Spiral spring
Detach Spiral spring
from Carbon brush.
By pulling Carbon brush,
disconnect the contact with
Armature's commutator.
Armature is ready to be
disassembled.
Fig. 27
5) Disconnect the contact between Carbon brush and Commutator as illustrated in Fig. 27.
4x18 Tapping screw: 2 pcs.

Take the reverse step of the disassembling procedure. Refer to Figs. 30 to 25.
7) Torque limiter section can be disassembled as illustrated in Fig. 30.
Ball bearing
608DDW
Ball bearing 6001LLU
Ring 10
1R269
Key 4: 2 pcs.
Spiral bevel
gear 9
Torque limiter
complete
ASSEMBLY
P 14/ 24
[3] DISASSEMBLY/ASSEMBLY
[3] -5. Motor Section, Torque Limiter Section
Repair
DISASSEMBLY
Crank
housing
Gear housing
5x25 Tapping screw: 4 pcs.
Torque limiter section
Torque limiter section may be left
in Crank housing at this time.
Remove 5x25 Tapping screws. And separate Motor housing from Gear room.
Do the disassemble work on the cloth to accept the grease from Gear housing
and to provent Torque limiter from having damage.
Armature
Use cloth to accept the grease from Gear
room and to provent Torque limiter from
having damage.
Motor housing
Fig. 28
Fig. 29
6) Disassemble Armature as illustrated in Figs. 28 and 29.
1R346
Note: Be careful not to lose
Cup washer 18 for
Crank shaft.
Armature
Handle
of 1R045
Cup washer 18
Remove Torque limiter section by striking the Gear housing's
edge with Plastic hammer, if Torque limiter section is left on
the Gear housing.
Remove Armature from Gear housing.
Torque limiter
section
Fig. 30

P 15 / 24
Repair
Change lever
Rotary hammer
mode mark on
Crank cap cover
Triangle mark
on Crank cap
Triangle mark
on Change lever
Fig. 31
Fig. 32
Fig. 31A
1) Disassemble Handle Section (Fig. 5)
2) HR3200C, HR3210C: Disassemble Chuck Section (Fig. 6)
HR3210FCT: Disassemble Tool holder assembly. (Fig. 7)
3) Remove Crank housing cover and Barrel complete together with Cylinder section. (left illustration in Fig. 13)
4) Set Change lever to Rotary hammer mode as illustrated in Fig. 31. Remove Crank cap cover. (Fig. 21)
5) HR3210C, HR3210FCT: Disassemble Active Dynamic Vibration Absorber. (Fig. 22)
6) Disassemble Rear cover from Motor housing. (Fig. 25)
7) Disconnect the contact between Carbon brush and Commutator. (Fig. 27)
8) Separate Crank housing complete from Motor housing. (Fig. 28)
9) If it is omitted to set Change lever to Rotary Hammer Mode when removing Crank cap cover, set Change lever as
illustrated in Fig. 31A.
10) Disassemble the remaining parts as illustrated in Figs 32 and 33.
Set Change lever to Rotary hammer mode. If Crank cap is already removed, align the triangle mark
on Change lever with that on Crank cap.
DISASSEMBLY
[3] DISASSEMBLY/ASSEMBLY
[3] -6. Gear Section in Crank Housing Complete
< Caution >
When disassembling Crank cap, do not
move Change lever from the position
illustrated in Fig. 31A.
Remove Crank cap by unscrewing
M4x16 Pan head screws. And then,
remove Link plate.
M4x16 Pan head screw: 5 pcs.
Crank cap
Seal ring B
Link plate
Link arm
Torque limiter
section If Torque Limiter Section is left in Crank
housing complete in the step of Fig. 28,
disassemble it.
Otherwise, it is impossible to remove
Spiral bevel gear 37.
Spiral bevel gear 37 and Link arm
can be removed.
Spiral bevel gear 37
Piston and Crank at the dead
point on Striker side
Set Crank and Piston to the
dead point on Striker side.
Remove Air pipe.
Crank
Because Cylinder 25 has been already
removed, Connecting rod can be easily
disassembled from Pin of Crank shaft.
Now pull out Piston from Crank
housing complete.
Piston
Connecting rod of Piston
Striker
side
Connecting rod Air pipe
Fig. 33

P 16 / 24
Repair
DISASSEMBLY
[3] DISASSEMBLY/ASSEMBLY
[3] -6. Gear Section in Crank Housing Complete
11) Gear unit for Changing operation mode is still left in Crank housing complete.
Disassemble in order of Gear shaft and Crank gear as illustrated in Fig. 34.
Crank gear
Gear
shaft
Crank gear
Gear shaft
Crank gear
Gear shaft
Fig. 34
Fig. 35
12) Crank Section can be disassembled as illustrated in Fig. 35.
Ball bearing
6004LLU
Retaining
Ring WR-10
Spur gear 33 Clutch
Crank shaft
Conical compression
spring 21-31
Flat washer 10
Key 4
Retaining
ring S-20
Crank section

P 17 / 24
[3] DISASSEMBLY/ASSEMBLY
[3] -6. Gear Section in Crank Housing Complete
Repair
ASSEMBLY
1) Assemble Crank section by taking the reverse of Disassembling steps. Refer to Fig. 35.
And then, mount the Crank section to Crank housing complete.
Note: When assembling Retaining ring WR-10 to Crank shaft, assemble it as illustrated in Fig. 36R.
2) Assemble Gears for changing operation mode as illustrated in Fig. 37.
.
Crank shaft Crank shaft
Retaining
ring WR-10
Claws of
Pliers
Claws of Pliers can exactly fit with Retaining ring
WR-10, and the Retaining ring is removed easily.
Claws of Pliers can hardly fit with Retaining ring WR-10.
Consequently, it is difficult to remove the Retaining ring.
Claws
of Pliers
Fig. 36R Fig. 36F
Pin
(factory assembled)
Crank
housing
complete
Crank housing
complete
These notches are important Marks to assemble
the Gear unit in Rotary hammer mode exactly.
Insert Crank gear while fitting
this notch to Pin.
Handle side
Crank
gear
Crank gear
Gear shaft
Gear shaft
Face this notch to Handle
side and insert Gear shaft.
Fig. 37
Retaining
ring WR-10
Retaining
ring WR-10
Retaining
ring WR-10

P 18 / 24
[3] DISASSEMBLY/ASSEMBLY
[3] -6. Gear Section in Crank Housing Complete
Repair
ASSEMBLY
Pin of Spur gear 33 complete which is mounted on
the reverse side of Crank cap is fit into this hole.
Assemble Crank cap to Crank housing complete
while keeping Change lever in the position
illustrated in Fig. 31A.
Spiral bevel gear 37 Notches of
Link arm
The notches of Link arm
come into sight.
Push Link arm into Crank housing complete
until the notches of Link arm come into
sight in Crank housing complete.
Push Spiral bevel gear 37 into
Crank housing complete until
it stops.
Boss
Link plate
Link plate
Assemble Link plate by
fitting its bosses to the
notches of Link arm.
Seal ring B
Crank cap
3) Assemble Spiral bevel gear 37, Link arm, Seal ring B and Link plate as illustrated in Fig. 39.
4) Assemble Crank cap as illustrated in Fig. 40.
5) Assemble Crank cap cover. The triangle mark on Change lever has to designate the mark of Rotary hammer mode on
Crank cap cover as illustrated in Fig. 31.
6) Assemble the remaining parts by taking the reverse of the disassembling steps.
Fig. 39
Fig. 40

P 19 / 24
[3] DISASSEMBLY/ASSEMBLY
[3] -7. Handle Section and Electrical Parts
Repair
DISASSEMBLY
Unscrew 4x18 Tapping screw. And separate
Handle cover with Slotted screwdriver.
Unscrew 4x18 Tapping screw.
And separate Handle cover
with Slotted screwdriver.
Replace ON-OFF Switch etc.
Replace ON-OFF Switch etc.
1) Disassemble Handle section as illustrated in Fig. 25 and 26.
2) Controller and Power supply cord can be removed. (Fig. 26)
3) HR3200C: Disassemble Handle cover. ON-OFF Switch can be replaced as illustrated in Fig. 41.
3A) HR3210C or HR3210FCT: After removing ON-OFF Switch, Handle section can be disassembled as illustrated in
Fig. 41A.
5x25 Tapping
screw: 2 pcs.
4x18 Tapping screw : 1 pc.
4x18 Tapping
screw: 1 pc.
Handle cover
Switch lever
Switch lever
Handle base
Handle Section can be disassembled
as illustrated below.
Shoulder sleeve 6: 2 pcs.
Handle
Dust cover support
Dust cover
Lead unit
Handle
cover
HR3200C
HR3210C HR3210FCT
Fig. 41
Fig. 41A
Lead unit
Switch holder complete
Switch holder
complete
ON-OFF Switch
ON-OFF Switch
Handle Handle
5x40 Tapping Screw: 2 pcs.
Flat washer 5: 2 pcs.
Compression spring 11

P 20/24
Repair
Face the bow portion of
Dust cover to the upper side
and assemble Dust cover to
Handle.
Triangle mark of Dust cover support
Handle
Handle base
Face the triangle mark of Dust cover support
to the upper side and insert it to Dust cover.
Upper side
Lower side
Bow portion of
Dust cover
5x40 Tapping
screw: 2 pcs.
Flat washer 5
Fig. 42
Fig. 43
[3] DISASSEMBLY/ASSEMBLY
[3] -7. Handle Section and Electrical Parts
Take the reverse of the disassembling steps.
Note: Dust cover support and Dust cover are directional. Refer to Fig. 42.
ASSEMBLY
[3] DISASSEMBLY/ASSEMBLY
[3] -8. Fastening Torque of Screw and Bolt
Chuck
holder
Fasten Bolts and Drill chuck to the specific fastening torque. Refer to Fig. 43.
Item No. Fastening Torque
Q'ty
Description
18
18
400
400
47.8 - 11.8 N.mM6 x 25 Hex socket head bolt
134.3 - 44.1 N.mDrill chuck
Quick Change Drill Chuck
(Standard Equipment for HR3210FCT)
Barrel complete
Crank Housing
Complete