Service Manual Manual
SOMA OF AMERICA SPECIFICATION: STB 1-306 PAGE: 1
ENGINEERING STANDARD OFFICE
REGISTER: STB SECTION: 1 SERIES: 300
LUBRICATION OF THE STEERING PARTS TYPE PDI 25/65 - PDD 35/50
1 - Grease the inner and outer surfaces of the elastomer seals (with lips, with or without
frame, and U or quadring types).
2 - Grease the bearings and the guide ring of spherical shell
Fill: the free intervals between the parts and the cavities of the guide ring.
3 - Lubricate with grease all the machined surfaces and diameters.
The grease used must conform to the grease recommended in Specification STC 1-109.