P 2/ 6
R
epair
[1] NECESSARY REPAIRING TOOLS
1R023
1R027
1R269
1R291
1R356
Press-fitting Ball bearing
Press-fitting Ball bearing
Removing Ball bearing
Removing/Assembling Retaining ring S-6
Press-fitting Ball bearing
Pipe ring for arbor press
Bearing setting pipe 18-10.2
Bearing extractor
Retaining ring S and R pliers
Bearing plate for arbor press
Description
Code No.
Use for
[2] LUBRICATION
CAUTION:
Remove the battery cartridge from the machine for safety before repair/maintenance !
As described below, apply lubricant to the portions designated with the triangles to protect parts and product from unusual
abrasion (Fig. 1).
Saturate with Lubricating oil VG46.
Flexible wire
Apply the following amount of Makita grease N No.2 to whole surface evenly;
BVR340, BVR350: 1.5g, BVR440, BVR450: 2.0g, BVR850: 4.0g
Item No.
Description
Lubricant to apply and Portion to lubricate
Fig. 1
20
18
Felt ring
9
Cap
Put 2.5g of Makita grease R No.00 into Cap.
20
Symbol of
lubricant
9
18
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Removing/Assembling Flex-shaft Section from/to Motor Section
REMOVING
ASSEMBLING
1) Remove Nut 36 by tapping with plastic hammer as illustrated in Fig. 2. Flexible hose is now unfastened from Bearing
box, and the junction point of Flexible wire and Spindle will be seen by moving Flexible hose.
2) See Fig. 3. Fix Spindle by putting Wrench 8 on the flat surfaces of Spindle. Grasp the crimped portion of the hose with
water pump pliers. Disconnect Flexible wire from Spindle by turning clockwise with water pump pliers.
Do the reverse of the removing steps.
Important: Be sure that every threaded portion is securely tightened.
Fig. 2
Fig. 3
Nut 36
Flexible hose
Bearing box
Wrench 8
Water pump pliers
Spindle
Flexible wire
