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MQ SP4030 SAW • OPERATION MANUAL — REV. #0 (01/22/09) — PAGE 51
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 58 for components.
5
4
3
8
7
9
6
2
1
1. Engine Adapter Plate
2. Idler Arm Belt
3. Drivebelt Pulley
4. Drivebelt
5. Blade shaft Pulley
6. Idler Arm Tensioner
7. Idler Pulley
8 Idler Arm Belt
9. Fan
Figure 58. PTO Drive Assembly
Figure 59. Hydraulic Oil Reservoir
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.
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.