Brother PR655 Service Manual page 297

Maintenance Maintenance point (Every 1,500 hours)
(i) Y driving shaft (R)
24
Name of grease/oil
24 FBK OIL RO 100
25 FBK OIL RO 100
Rotary hook and lower shaft bushing
26
Name of grease/oil
26 FBK OIL RO 100
27 OILER
28 FBK OIL RO 100
29 FBK OIL RO 100
30 MOLYKOTE EM-30L
(j) Y driving shaft (L)
Clean gear part
Quantity
one drop
one drop
Lower shaft bushing and lower shaft gear
27
29
Oil here through
the hole on the
upper part of arm
Quantity
one drop Check thrust play of lower shaft.
one drop Remove dust around rotary hook and bushing.
one drop
one drop
* There should be no dust between lower shaft and
0.3cm 3 bushing.
Idle pulley shaft
6 - 9
25
Check point
Oil here through the
hole at the side of arm
Oil here through the hole
at the side of arm
Check point
Clean up
30
28