BENDIX BW1845 User Manual download pdf (Page 12)

ASSEMBLY

General Note: All torques specified in this manual are as-

sembly torques and typically can be expected to fall off

after assembly is accomplished.

Do not re-torque after

initial assembly torques fall unless instructed otherwise. A

compiled listing of torque specifications is presented at

the end of this manual.

INCH POUNDS TO FOOT POUNDS

To convert inch pounds to foot pounds of torque, divide

inch pounds by 12.

Example:

12 Inch Pounds

= 1 Foot Pound

FOOT POUNDS TO INCH POUNDS

To convert foot pounds to inch pounds of torque, multiply

foot pounds by 12.

Example: 1 Foot Pound

x 12 = 12 Inch Pounds

CRANKCASE COVER

1. Position one of the two crankcase cover gaskets (27) on

either the crankcase or crankcase cover and install the

crankcase cover (29) using the position marks made

prior to disassembly. Tighten the four cap screws (28),

securing the crankcase cover to a torque of 101-111

inch pounds for crankcase cover or cover in a crossing

pattern after first snugging all 4 screws.

2. Repeat this assembly for the second crankcase cover

(29).

CRANKCASE END COVER OR END COVER

ADAPTER

1. Install the end cover o-ring (30) on the crankcase end

cover.

2. Orient the crankcase end cover or end cover adapter

to the crankcase using the reference marks made dur-

ing disassembly. Carefully install the end cover or end

cover adapter in the crankcase making certain not to

damage the crankshaft bearing surface in it.

3. Install the four 13mm x 20mm end cover or end cover

adapter bolts or studs (31) and tighten to 195 to 212

inch pounds.

CYLINDER HEAD INLET CHECK VALVES

1. Locate one of the two inlet check valve seats (7) and

note that one side is flat while the other has three pro-

truding tabs around the bolt hole. Position one of the

two the inlet check valves (6) on the inlet check valve

seat (7) so that the three positioning and locating tabs

interlock with the corresponding tabs on the seat. When

properly fitted together, the valve (6) should lay flat against

the seat (7) and cover the slotted opening of the seat.

2. Locate one of the two inlet check valve holders (5). Place

the holder (5) on the inlet check valve (6) making cer-

tain that the three indentations around the bolt hole, on

the holder, interlock with the tabs on the inlet check

valve (5). When properly assembled the seat (7), valve

(6) and holder (5) should be parallel and interlocked.

3. Place the three components over one of the two slot-

ted inlet openings in the cylinder head making certain

that the bolt holes in the components and head corre-

spond.

4. Insert one of the two 10mm x 25mm bolts (3) through

a spacer sleeve (4). Using the bolt and sleeve, secure

the assembled seat (7), valve (6) and holder (5) in the

cylinder head. Tighten the bolt finger tight and check

that the seat (7), valve (6) and holder (5) are still inter-

locked. This can be done by attempting to rotate the

holder (5) and noting that the valve and seat follow

and are locked together.

5. Torque the 10mm bolt to 101 to 111 inch pounds.

6. Repeat steps one through five for the other inlet check

valve assembly.

DISCHARGE VALVES

1. Locate and place one of the two discharge valves (12)

on the valve body assembly with its bolt hole corre-

sponding with the threaded hole on the outside edge

of the valve body assembly. When correctly placed,

the discharge valve (12) will cover the two discharge

holes in the valve body assembly. Refer to Figure 11.

2. Locate one of the two discharge valve holders (11) and

install it over the discharge valve (12) so that the free

end of the discharge valve (12) is contained between

the two guide lugs on the sides of the holder. Refer to

Figure 11.

3. Insert one of the four 10mm x 25mm bolts (9) through a

spacer sleeve (10). Using the bolt and sleeve, loosely

secure one end of the discharge valve (12) and holder

(11) to the valve body assembly. Insert a second 10mm

x 25mm bolts (9) through a spacer sleeve (10) and

loosely secure the other end of the discharge valve (12)

and holder (11) to the valve body assembly.

Before attempting to tighten the two 10mm bolts make

Discharge Valve

Discharge

Guide Lug

Valve

FIGURE 11 - DISCHARGE VALVE INSTALLATION

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 39 40

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BENDIX BW1845 User Manual Page 12

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