Two-Stage Mast Assembly
4000 SRM 482
13. Install load backrest to carriage.
INNER MAST ASSEMBLY, REMOVE AND
INSTALL
Read and follow the Safety Procedures When Work-
ing Near Mast, as well as all WARNINGS and CAU-
TIONS.
To remove the inner weldment from the mast assem-
bly, the mast assembly must be removed from the lift
truck. The lift cylinders and chain sheaves must also
be removed.
1.
Remove the mast assembly as described in
Remove.
Remove the lift cylinders.
See Lift
Cylinders, Remove and Install Dual-Lift Cylin-
ders. Remove the chain sheaves. See Two-Stage
Chain Sheave, Remove and Install.
2.
If it is necessary to repair the inner mast assem-
bly, the load rollers and wear plugs must be re-
moved. See Load Rollers and Wear Plugs, Re-
move and Install.
3.
Use a crane or lifting device to support the inner
weldment while sliding the inner weldment far
enough out to clear the outer weldment.
4.
Reverse the removal procedure to install the in-
ner mast assembly into the outer weldment.
HOSES, REPLACE
Read and follow the Safety Procedures When Work-
ing Near Mast, as well as all WARNINGS and CAU-
TIONS.
1.
To replace any hydraulic hoses, fully lower the
carriage. See Figure 10 and Figure 15. Make
sure that the system does not have hydraulic
pressure. Hold the control (for each function) in
the forward position for approximately 5 seconds
to release the pressure. Make sure the hydraulic
pump does NOT operate. Move the key to the
OFF position. Disconnect the battery and put a
tag or lock on the battery connector.
2.
Disconnect hose and install caps to prevent dirt
from entering the hydraulic system.
3.
Replace the hose. Operate the system to remove
all the air from the oil and to check for leaks.
Legend for Figure 15
NOTE:
COMPONENTS IN BOXES - STANDARD WITH SIDESHIFT OR REACH CARRIAGES.
1.
TO SHEAVE AND CARRIAGE (1 OF 2)
2.
OUTER MAST
3.
TO TRUCK (1 OF 2)
4.
ELECTRICAL CABLE AND TENSION DEVICE
(REACH ONLY)
5.
CAPSCREW
6.
SHEAVE SUPPORT
7.
SHAFT
8.
COTTER PIN
9.
HOSE AND CABLE SHEAVE
10. SHIM (AS REQUIRED)
11. HOSE SHEAVE
12. LIFT TRUCK FRAME
13. HYDRAULIC HOSE - LIFT
14. HYDRAULIC TUBE - LIFT
15. FLOW REGULATOR HOUSING
16. REGULATOR MOUNT PLATE
17. INNER WELDMENT
18. HYDRAULIC HOSE TO TRUCK
16
Содержание MAST N30XMH
Страница 14: ...Two Stage Mast Assembly 4000 SRM 482 Figure 10 Two Stage Mast Assembly Dual Lift Cylinders 10 ...
Страница 16: ...Two Stage Mast Assembly 4000 SRM 482 Figure 11 Two Stage Mast Assembly Single Lift Cylinder 12 ...
Страница 21: ...4000 SRM 482 Two Stage Mast Assembly Figure 15 Hose and Cable Assemblies Two Stage Mast Dual Lift Cylinders 17 ...
Страница 27: ...4000 SRM 482 Three Stage Mast Assembly Figure 18 Three Stage Mast Assembly 23 ...
Страница 34: ...Three Stage Mast Assembly 4000 SRM 482 Figure 21 Hose and Cable Assemblies Outer Weldment 30 ...
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Страница 52: ...TECHNICAL PUBLICATIONS 4000 SRM 482 4 08 11 06 5 04 4 03 5 02 5 98 12 95 4 92 2 92 Printed in U S A ...