To make insertion of tappet holders KDEP 1068
easier loosen barrel flange nuts 3 turns, remove
split shims and tap flanges so there is a slight
clearance between barrel flanges and pump
Remove bottom cover (Figure 21).
Figure 21. Removing Bottom Cover
Turn rotating handle of tappet holder (KDEP
1068) counterclockwise as far as it will go.
Grease ramps and guide piece (Figure 22).
Figure 22. Tappet Holder 1068
With pump upside down, rotate camshaft until
No. 1 plunger is at TDC.
NOTE: Camshaft front end should have drive end cam
nut installed to protect end from damage when rotating
Hold tappet holder with ramps up and insert
holder as far as possible into the side hole. The
tappet holder will only go part way in, lifting
tappet No. 1 off the camshaft (Figure 23).
Rotate camshaft until plunger No. 2 is at TDC.
Push tappet holder the rest of the way in (push
hard with the palm of hand).
DO NOT DRIVE IN WITH HAMMER.
The tappet holder will depress both tappets
when correctly installed. Tappet No. 2 is now
lifted off the camshaft.
Figure 23. Installing Tappet Holder
Tappet Holder KDEP 1068
Drive End Cam Nut
Rotate camshaft and repeat step 16 until all
tappets are lifted off camshaft. Check all holders
to be sure they are properly installed before
removing camshaft. When holders are properly
installed camshaft should oscillate freely.
Remove intermediate bearing screws.
Use an arbor press to push camshaft, with
attached rear bearing, out of the pump housing
(Figure 24).Be careful with intermediate bearing.
Do not let camshaft fall to floor.
Printed in United States of America