P 1
0
/
19
R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-4. AVT Mechanism of HM1317C, HM1317CB (cont.)
ASSEMBLING
DISASSEMBLING
(3) Assemble the Cylinder section to Crank housing by striking with plastic hammer.
Pay attention to the position of Distinction mark and assemble Barrel to Crank housing as illustrated in Fig. 18.
1. Disassemble Gear cover and Rear cover
from Crank housing complete.
2. Flat washer 14 (2pcs.), Gear complete 31-43,
Needle cage (2pcs.), Nylon ring 14 can be removed.
The screw holes of Barrel can not align with those
of Crank housing when the distinction mark of Barrel
does not face Rear cover side. Consequently, it is
impossible to secure Barrel with Bolts.
Fig. 18
Rear cover
(with AVT mark)
Distinction mark
Assemble Barrel, facing the distinction mark
to Rear cover side. And secure it with M8x40
Hex socket head bolts.
Rear cover
(with AVT mark)
[3]-5. Crank section, Gears
(1) Separate Handle section and remove Controller and electrical parts as the right illustration in Fig. 4.
(2) Disassemble Tool holder section, Barrel and Cylinder section as illustrated in Fig. 14.
(3) Disassemble Gear complete section as illustrated in Fig. 19.
Fig. 19
Helical gear 47
Piston
M6x30 Hex socket
head bolt (6pcs.)
M6x30 Hex socket
head bolt (6pcs.)
3. Turn Helical gear 47 until Piston is
completely pushed out.
O ring 45 and O ring 42 can be replaced.
Rear cover
Gear cover
Gear complete
31-43
Flat washer 14
Flat washer 14
Nylon ring 14
Needle cage 1412
(2pcs.)
O ring 45
O ring 42
Crank housing complete