Makita UC3520A Technical Information

P 6 /10
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Brake Mechanism and Armature
Fig. 11
DISASSEMBLING
Link plate
complete
Bearing holder
1) Remove Housing (R). (Fig. 2 on page 2)
2) Push Front hand guard towards the Guide bar installation side to lock Armature with kick back brake.
If Front hand guard is damaged, remove it and lock Armature by bending Link plate complete with a slotted
screwdriver. (Fig. 8)
3) Remove entire Lubricating mechanism (Oil pump complete, Oil tube, Oil tank). While swiveling Switch lever,
disconnect from Rod. Unscrew four 4x18 Tapping screws. (Fig. 9)
4) Put the machine as illustrated in Fig. 10. Remove Rear cover, then Carbon brush. The assembly of Armature and
Bearing holder can now be removed.
5) By hooking Rod on the notch of Bearing holder as illustrated in Fig. 11, place Rod in the same position as it would be
when Switch lever is pulled. Brake synchronized with Switch lever is now unlocked.
Housing (L)
Fig. 8 Fig. 9
Fig. 10
Armature
Bearing holder
Carbon brush
Rear cover
Tapping screw 4x18
Tapping screw
4x18 (4 pcs)
Oil tank
Switch lever
Rod
Oil tube
Oil pump complete
Push Link plate complete strong
using a slotted screwdriver.
Pull Rod in the direction of the arrow
and hook its bent portion on the notch
of Bearing holder.
notch of Bearing holder
Rod
Rod

Makita UC3520A Specifications

General

Power source	AC
Chain pitch	3/8 \
Chain speed	13.3 m/s
Product color	Black, Blue
Automatic oiling	Yes
Chain bar length	350 mm

Weight and Dimensions

Width	436 mm
Height	244 mm
Length	200 mm
Weight	3800 g