Water Pump, Hose, Pipe And Thermostat Removal And Installation - Toro Workman 3000 Series Service Manual

Water Pump, Hose, Pipe and Thermostat Removal and Installation

10 – 13 Nm
(7 – 9 ft–lb)
10 – 13 Nm
(7 – 9 ft–lb)
12 – 15 Nm
(9 – 11 ft–lb)
8 – 10 Nm
(6 – 7 ft–lb)
1. Water outlet fitting
2. Water outlet fitting gasket
3. Thermostat
4. Coolant temp. gauge sender
5. Thermo valve
Disassemble and assemble parts as shown in illustra­
tion above. Also use the following instructions for specif­
ic points of disassembly, inspection and reassembly.
Water Pump Inspection
1. Check parts for cracks, damage or wear and replace
water pump assembly if necessary.
2. Check bearing for damage, noisy operation or slug­
gish rotation and replace water pump assembly if nec­
essary.
3. Check seal for leaks and replace water pump if nec-
essary.
4. Check for water leakage. If water leaks from hole,
seal unit is faulty. Replace pump as an assembly.
Workman 3000/4000 Series
1
20 – 30 Nm
2
(14 – 22 ft–lb)
3
5
6
9
10
12
7
11
8
14
13
Figure 92
6. O–ring
7. Water hose
8. Water hose
9. Water inlet fitting
10. Water inlet fitting gasket
Page 3 – 55
10 – 12 Nm
(7 – 9 ft–lb)
4
Before disassembling:
1. Remove timing belt.
2. Remove alternator.
Before assembling:
1. Install alternator.
2. Install timing belt.
11. Water inlet pipe
12. O–ring
13. Water pump
14. Water pump gasket
If coolant leaks from
hole, seal unit is faulty
Figure 93
Liquid Cooled Gas Engine