8-1 Regular mandrel cleaning and lubricant
-Clean and lubricate the mandrel after every 20~30 fastenings to keep
smooth mounting of POP Nut and to prevent the early abrasion of mandrel.
(See Figure 8-1 and 8-2.)
≪
Procedure
≫
(1) Brush and clean the metal fragments stuck to the mandrel by wire brush.
(Figure 8-1)
(2) Lubricate the mandrel with 1
〜
2 drop of turbine oil, or spindle oil,
penetrative lubricate oil, etc. (Figure 8-2)
Wire brush
Mandrel
Lubricate
oil
Figure 8-2
Figure 8-1
8-2 Lubricant spray for rotating parts.
After fastening around 1,000 POP Nuts, wear between the spin-pull head
and the spin-pull head case will start to cause heating, drying and rattling.
Rotation will be slower, with less torque.
Follow the procedure from 6-(
Ⅰ
) to remove the nose housing and spray
lubricant between the spin-pull head and the spin-pull head case.
Table 8-2 Specified lubricate oils
Company name
Product name
Kure Industry CRC5-56
Three bond
1801B
Musashi bolt
Holtz Top Oil (MH-241)
Lespi
Picca
Spin pull head
Spin pull head case
Lubricant spray
Figure 8-3
8-3 Check the mandrel thread
Mandrel is periodic part. In long time usage mandrel thread gets damage
and abrasion. In condition with damage and abrasion, may cause damage of
POP Nut thread.
Check the mandrel thread once a day before work, and replace if it is
damaged.
20