Water Pump Crankcase Service (Fig. 38)
1
2
10
18
– 20 ft–lb
3
4
9
5
6
7
8
29
11
28
Apply grease to
O.D. of plunger
before installing
12
pump head
15
13
16
14
17
18
19
24
2
5
20
7
8
27
22
10
21
2
6
14
13
18
– 20 ft–lb
23
18 – 20 ft–lb
22
10
Figure 38
NOTE: Replace parts in complete sets.
8. Inspect bearings (Item 23) for galling and pitting. If
bearings are worn, replace bearings and bearing cups
as a set.
1.
Remove water pump from machine (see Water Pump
Removal and Installation).
9.
install crank rod, bearings and caps into crankcase.
Install new seal (Item 11) and O–rings (Item 7) and
2.
3.
Remove pump head (see Pump Head Service).
Remove pulley from pump drive shaft using 1/4 in.
10.
Bearings should have a light pre–load, eliminating
bolts to separate tapered hub.
any end play. Add or remove end cap shims (Item 8) to
change pre–load (see Crankshaft Bearing Installation
and Shimming Page 6–26.2).
4.
Remove rear cover (Item 20).
5.
them in original order. Carefully push connecting rods
(Item 12) forward.
Remove connecting rod end caps (Item 13) and keep
Preload: 0.005 – 0.007
Capscrew torque: 18–20 ft–lbs
11.
capscrews (Item 10) to 18 ft–lbs.
Install end caps onto connecting rods and torque
6.
Remove crank rod bearing caps (Item 9, 27), keeping
shims (Item 8) in their original locations. Slide crank rod
(Item 15) out of the crankcase. Inspect crank rod for gall-
ing or wear.
12.
crankcase cover capscrews (Item 10) to 18 ft–lb.
Install new gasket, crankcase cover, and torque
7.
Pull connecting rods (Item 12) out through crankcase.
13.
Install pulley with tapered hub onto pump drive shaft.
Check for wear on plunger (12) and plunger guides
(Item 28). If plunger guides are worn, use Wear Sleeve
Tool (TOR4015) to drive guides out through crankcase.
Also use this tool for plunger guide installation.
Repairs
Page 6 – 26
Rev. B
Hydroject 3010
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Tags | Toro Hydroject 3010 |
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| Language | English |
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