Gradall 534B (9103-1390) Service Manual - Manual (Page 238)

SOMA OF AMERICA
SPECIFICATION: STC 2-111 PAGE: 1
ENGINEERING STANDARD OFFICE
REGISTER: STC SECTION: 2 SERIES: 100
SEALING THE INPUT FLANGES OF DIFFERENTIAL CARRIERS 300 - 500 - 1000
TRANSFER CASES - AND DROP BOXES
Flush or slightly Recessed by 6mm (0.236 in.) Shoulder fitment
recessed diff. carriers Transfer case drop box Diff. carriers 500 - 1000
300 (3mm flush) (0.118) 500 DG (input-output)
PRECAUTIONS
Check:
The cleanliness of the parts (bore, seal land, and oil seal).
The surface conditions of the seal land: it must not be scored or damaged.
The oil seal condition: the lips must not be cut or torn. The spring must be correctly
positioned and the F.E. coating on the dust lip free of burrs.
LUBRICATION
Grease the internal face of the oil seal and the seal lips.
Pack the AF-RA between the two lips with grease.
The grease used must conform to specification STC 1-109.
ASSEMBLY
The oil seal must be placed in the carrier concentric and perpendicular to axis. Use an adap-
ted mandrel to push on the back of the seal and to position it according to the illustration
shown above.
Care should be taken not to damage the seal lips when fitting the input flange.
Always install new seals after disassembly.
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FIG1 FIG2 FIG3