Cylinder Head Reassembly and Installation (Fig. 61, 62, 63)
1. Ensure that the valve guides are properly installed.
2.
Install the valve stem seal onto the valve guide
securely.
3. Apply a coating of oil to the valve stems and insert
them in proper order, into the valve guides. Install the
valve springs, valve retainers and retainer locks.
4. Assemble the rocker arms to the rocker shaft in the
following order. First, attach the front rocker arm stay to
the cylinder head with the bolt hole toward the right
(valve side) of the cylinder head. Next, install the rocker
shaft so that the identification mark (small drilled hole
near the end of the shaft) is located near the front (water
pump), and to the right side of the engine. Install the cap
screw and washer through the stay and into the shaft.
Install the front rocker arm and retaining ring. Next,
install the remaining rocker arms, springs and rocker
shaft stays, and bolt them to the cylinder head.
Figure 61
Valve stem seal
5. Install the glow plugs and glow plug lead wires. The
glow plugs should be torqued to 10.8 - 14.5 ft-lbs (1.5 -
2.0 KgM).
6. Install the nozzle holder and tighten the bolts evenly
to 10.8 - 14.5 ft-lbs (1.5 - 2.0 KgM).
7.
Ensure that the cylinder head and cylinder block
surfaces are clean. Position a new head gasket on the
head and insert some dowel pins into two cylinder head
bolt holes in the cylinder to assist with mounting the
cylinder head. Carefully position the cylinder head over
the dowels onto the cylinder block and remove the
dowel pins. Insert the head bolts.
Figure 62
Rocker arm and shaft assembly
IMPORTANT: Do not coat the cylinder head gasket
with any sealant.
8.
Tighten the cylinder head bolts to their specified
torque as in the order shown. A good practice is to
tighten the head bolts in proper order, first to one-third
of their specified torque, then to two-thirds of their torque
and finally to the specified torque.
9. Adjust the valve clearance.
Figure 63
Cylinder head bolt tightening sequence
Cylinder Head Overhaul
Page 4 - 52
Groundsmaster® 300 Series
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Tags | Toro Groundsmaster 300, Toro Groundsmaster 328 D, Toro Groundsmaster 92801SL |
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| Document Type | Service Manual |
| Language | English |
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(2 votes, average: 5 out of 5)
Lawn and Garden readers have rated Toro 92801SL Rev I Groundsmaster 300 Series Groundsmaster 328 D Service Manual 5.0 out of 5.0 based on 2 product reviews. Need 328D. Manual pdf. Will rate after finding manual
t has been a very reliable machine but getting parts is hard and not cheap to buy , generic parts has been cost effective and reliable , i am unable to get a wiring circut diagram for this unit as most problems are electrical problems