Hyster MAST N30XMH, Repair Manual

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Load Backrest Extension, Carriage, Load Rollers, Side Rollers, and Forks 4000 SRM 482
11. To install the carriage assembly, reverse the re-
moval procedures. Always use new cotter pins
when installing the lift chains. Apply Loctite™
to the studs of the thrust rollers during installa-
tion.
12. Adjust the carriage assembly. See Carriage Ad-
justments. Test the carriage assembly for correct
operation.
CARRIAGE LOAD ROLLERS, REMOVE
AND INSTALL
1. Remove the carriage assembly from the mast as-
sembly to remove and install the carriage load
rollers. See Carriage Assembly, Remove and In-
stall.
2. Remove the jam nuts and setscrews for the load
rollers. See Figure 4.
1. LOAD ROLLER
2. WEAR PLUG
3. SNAP RING
4. SETSCREW
5. JAM NUT
6. MAST OR CARRIAGE
Figure 4. Load Roller and Wear Plug Assembly
3. If necessary, replace the wear plugs by pushing
at the back of the wear plug.
4. Remove the snap rings from the stub shaft for the
load roller.
5. Use a pry bar to remove the load roller from the
stub shaft for the load roller. See Figure 5.
6. Use a cloth to clean each load roller. Inspect the
load rollers for cracks, flat spots, or bearings that
do not turn freely. Replace any roller that shows
wear or is damaged.
7. Install the carriage. See Carriage Assembly, Re-
move and Install.
8. Adjust the carriage. See Carriage Adjustments.
1. LOAD ROLLER WITH SNAP RING REMOVED
2. PRY BAR
3. MAST OR CARRIAGE COMPONENT (CARRIAGE
SHOWN)
4. SIDE ROLLER
Figure 5. Removing Load Roller
SIDE ROLLERS, DISASSEMBLE AND
ASSEMBLE
1. Remove the carriage assembly from the mast to
replace the side rollers. See Carriage Assembly,
Remove and Install to remove the carriage. See
Figure 2 and Figure 3.
2. Remove the capscrews that fasten the side roller
bracket.
NOTE: Observe the position of the shims.
3. Inspect and replace all damaged or worn parts.
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