Component Service

TOOL REQUIRED
^ ST 926200000 Stand
^ ST 926230000 Spanner





INSPECTION
1. Glean all disassembled parts, and check for wear, damage, or any other faults, then repair or replace as necessary.
2. When disassembling, check inside of gearbox for water. If any water is found, carefully check boot for damage, input shaft dust seal, adjusting screw and boot clips for poor sealing. If faulty, replace with new parts.

SERVICE LIMIT








Make a measurement as shown in the figures. If it exceeds the specified service limit, adjust or replace. Sliding resistance of rack shaft: Service limit is 240.3 N (54.0 lbs.) or less

NOTE: When making a measurement, vise gearbox by using ST. Never vise gearbox by inserting aluminum plates, etc. between vise and gearbox.

RACK SHAFT PLAY IN RADIAL DIRECTION





Right-turn steering:
^ Service limit: 0.15 mm (0.0059 inch) or less
^ On condition
L: 5 mm (0.20 inch)
P: 98 N (22 lbs.)





Left-turn steering:
^ Service limit
Direction up and down: 0.3 mm (0.012 inch) or less
Direction side to side: 0.15 mm (0.0059 inch) or less
^ On condition
L: 5 mm (0.20 inch)
P: 98 N (22 lbs.)

INPUT SHAFT PLAY





In radial direction:
^ Service limit: 0.18 mm (0.0071 inch) or less
On condition: P: 98 N (22 lbs.)





In axial direction:
^ Service limit: 0.1 mm (0.004 inch) or less
^ On condition: P: 20 - 49 N (4 - 11 lbs.)

TURNING RESISTANCE OF GEARBOX





Using ST, measure gearbox turning resistance
^ Service limit:
Straight-ahead position within 30 mm (1.18 inch) from rack center Less than 11.18 N (2.51 lbs.)
Maximum allowable resistance: 12.7 N (2.9 lbs.)