Honda WDP30X Owner's Manual page 14

6. If the diaphragm is
to be reused, mark
the diaphragm to
CONNECTING
allow it to be
ROD FLANGE
installed in the same
position.
7. With a 19 mm
wrench, remove the
DIAPHRAGM
4 nuts securing the
connecting rod to
the lower flange.
Remove the
diaphragm.
8. Inspect the diaphragm for cracks, tears, or damage and replace it
if necessary.
Pump Diaphragm Reassembly
During reassembly, note the following:
• Apply several drops of Hondalock 2 or equivalent thread lock to the
bolt threads.
• To prevent pump case and/or diaphragm damage, follow the
torque sequence shown below.
1
4
TORQUE:
Start in one corner, increasing the amount of torque
1/8 to 1/4 turn each time around until the specified
torque is achieved.
Pump case bolts
Diaphragm flange nuts
Connecting rod bolt
NOTICE
The pump case and/or diaphragm may be damaged if the torque
sequence is not followed or the nuts are overtightened.
1. Position the diaphragm between the connecting rod flange and the
lower flange, then install the nuts and washers. Note the
diaphragm shoulder on top.
2. Apply NLGI #2 general purpose grease to the connecting rod
bearing (page 12).
3. Rotate the crank arm to the bottom by pulling the starter grip.
Install the diaphragm and connecting rod into the pump case, then
install the connecting rod with the mark made during disassembly
facing out.
14
12 mm
NUT (4)
12 mm
WASHER (4)
SHOULDER
LOWER
FLANGE
3
2
35 ft-lb (47 N•m)
35 ft-lb (47 N•m)
40 ft-lb (54 N•m)
4. Install the connecting rod with the hardware shown below and
torque the connecting rod bolt to 40 ft-lb (54 N•m).
NYLON
WASHER
WASHER
10 mm
BOLT
10 mm LOCK
WASHER
5. Pull the starter grip slowly until the diaphragm pulls up against the
upper case stops.
UPPER CASE
STOP (4)
DIAPHRAGM
The crank arm should be approximately at the angle shown below.
6. Install the upper case assembly, making sure the diaphragm is
centered and not pinched between the case stops. Tighten the
hardware following the torque procedure shown.
7. Grease the pump connecting rod and install the connecting rod
cover (page 12).
8. Run and test the pump for correct operation.
CRANK
ARM
UPPER
CASE
CRANK
ARM