84
Hydraulic System Maintenance
To adjust the pressure on the main relief valve, do the following:
1.
Ensure that the parking brake is applied.
2.
Start the engine and engage the hydraulic pump.
3.
Connect a 0-3000 psi pressure gauge to the quick-connect located on the hydraulic valve
14).
Figure 7
-
14 Location of the main relief valve
4.
Using the bucket lever raise the bucket until it reaches the end of its stroke. Keep holding the
lever in order to make the pressure build up in the system.
5.
Ask a helper to check on the gauge.
If the gauge reads 2000 psi, no adjustment is necessary.
6.
Proceed with adjusting the main relief valve if the gauge does not read 2000 psi. To do so:
6 a.
Loosen the locknut.
6 b.
Turn the adjustment screw clockwise to increase the pressure or counter-clockwise to
reduce it.
6 c.
When finished, hold the adjustment screw and tighten the locknut.
N
OTE
:
While doing this adjustment, it is important to keep the bucket lever engaged.
Do not adjust the main relief valve higher than recommended.
Install gauge here
Main relief
CAUTION!
Summary of Contents for Top Select
Page 1: ...TOP SELECT TM MAINTENANCE MANUAL...
Page 2: ......
Page 3: ...TOP SELECT MAINTENANCE MANUAL...
Page 8: ...vi Table of Contents...
Page 34: ...26 Safety...
Page 40: ...32 General Cleanliness...
Page 72: ...64 Loading Container Maintenance...
Page 104: ...96 Preventive Maintenance...
Page 121: ...Lubrication 113 Figure 11 2 Body hinges Grease Fittings on Body Figure 11 3 Tailgate and hooks...
Page 122: ...114 Lubrication Figure 11 4 Partition Figure 11 5 Optional Maximizer Location of lube zerks...
Page 123: ...Lubrication 115 Figure 11 6 Roof hinges and loading cylinders...
Page 124: ...116 Lubrication Figure 11 7 Lube chart...
Page 132: ...124 Troubleshooting...
Page 134: ...126 Hydraulic and Pneumatic Circuit Diagrams Hydraulic Schematics Single Side Bucket...
Page 135: ...Hydraulic and Pneumatic Circuit Diagrams 127 Single Side Bucket w Maximizer...
Page 136: ...128 Hydraulic and Pneumatic Circuit Diagrams Dual Side Bucket...
Page 137: ...Hydraulic and Pneumatic Circuit Diagrams 129 Dual Side Bucket w Maximizer...
Page 139: ...Hydraulic and Pneumatic Circuit Diagrams 131 Air System Schematics TS 1000 w Options...
Page 140: ...132 Hydraulic and Pneumatic Circuit Diagrams TS 2000 w Options...