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MQ PS4030 SAW • OPERATION MANUAL — REV. #0 (02/29/08) — PAGE 51
MQ PS4030 SAW — MAINTENANCE
PTO Drive Maintenance
Disassembly of the PTO Drive and replacement of the PTO
Drive Sheave/Bearing Assembly requires the PTO Bearing
Puller, p/n 18610. The Sheave/Bearing Assembly is not
serviceable and must be replaced as a complete unit. Reference
Figure 60 for components.
1. Engine Adapter Plate
2. Idler Arm Belt
3. Drivebelt Pulley
4. Drivebelt
5. Bladeshaft Pulley
6. Idler Arm Tensioner
7. Idler Pulley
8 Idler Arm Belt
9. Fan
Figure 60. PTO Drive Assembly
Raise-Lower System
The saw uses a 12-volt hydraulic pump and hydraulic cylinder
to power the raise-lower system.
1. Check hydraulic oil level daily.
2. When checking or adding hydraulic oil, place the machine
so the saw frame is level to get an accurate reading.
Figure 61. Hydraulic Oil Reservoir
3. Hydraulic oil should be 1/2" to 1" in the Oil Reserve when
cold.
4. If hydraulic oil level is low add oil to 1/2" to 1".
5. Use 15W-40 premium grade engine oil.
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