Makita BFT042F Technical Information page 2

R
epair
CAUTION: Remove the battery from the machine for safety before repair/ maintenance,
in accordance with the instruction manual!
[1] NECESSARY REPAIRING TOOLS
Code No.
1R004 Retaining ring S pliers ST-2
1R035 Bearing setting plate 15.2
1R036 Bearing setting plate 17.2
1R145 L type Torx wrench set
1R219 Torx wrench shaft 7-23N.m
1R220 Ratchet head 9.5 (1R219)
1R222 Socket adapter (1R219)
1R237 Round bar for arbor 8-100
1R269 Bearing extractor
1R288 Screwdriver magnetizer
1R291 Retaining ring S and R pliers
1R311 Retaining ring pliers with long bent nails
1R314 Torx bit VT-25
765027-4 Torque adjust tool
*Note: Clutch section is described as "Clutch assembly D" in the Parts list.
[2] LUBRICATION and ADHESIVE APPLICATION
Apply the following lubricants to protect parts and product from unusual abrasion (Fig. 1):
Sealing lubricant No.101 to the portions designated with the gray triangle
Makita grease N. No.2 to the portions designated with the black triangle
Apply ThreeBond 1303 or Loctite 603 to the portions designated with the black arrow. (Fig. 1)
LUBRICATION
Item No. Description
Spindle
34
Steel ball 5.0 (3 pcs)
35
38 Steel ball 4 (3 pcs)
40 Steel ball 3 (13 pcs)
44 Carrier complete A
47 Spur gear 13 (3 pcs)
48 Spur gear 20 complete C
49 Spur gear 15 (3 pcs)
50 Internal gear 47
ADHESIVE APPLICATION
Item No. Description
34 Spindle
Fig. 1
44
Ball bearing
6805LLB
Gear case
Description
Lubricant
Sealing lubricant
No.101
Makita grease
N. No.2
Inner threaded portion for Torx countersunk head screw M5x10
47
50
48
49
Lock washer
Motor bracket
Removing/installing Ring spring 11
Installing Ball bearing 6801LLB and Ring 12
Assembling Spindle section to Clutch case
Removing Torx countersunk head screw M5x10 from Spindle
Assembling Torx countersunk head screw M5x10 to Spindle
Assembling Spindle section to Clutch case
Removing Ball bearing 6801LLB and Ring 12 from Spindle
Removing Steel balls
Removing/installing Ring spring 10 from/on Spindle M
Removing Retaining R-21
Assembling Torx countersunk head screw M5x10 to Spindle
Disassembling *Clutch section
Portion to lubricate
Threaded portion for engaging with Lock nut M12
Whole surface
Whole surface
Whole surface
Three shaft pins for 47
Teeth portion
Teeth portion and three shaft pins for
Teeth portion
Teeth portion that engages with
Portion to apply adhesive
35
34
Compression spring 19D
Cam D
Cam C
Torx countersunk head screw M5x10
P 2/13
Use for
49
47 and 49
: Makita grease N. No.2
: Sealing lubricant No.101
: ThreeBond 1303 or Loctite 603
38
40
Flat washer 7