Step 14. Loosen and remove the transfer
pump pressure tap screw from the head lock-
ing screw using a T-40 bit. Remove and dis-
card the o-ring seal.
Step 15. Using a 3/4” socket, loosen and re-
move the head locking screw. Remove and dis-
card the 2 o-ring seals.
Step 16. Loosen and remove the other head
locking screw using a 3/16 ” hex bit. Remove
and discard the 2 o-ring seals.
Fig. 2.15
Fig. 2.16
Fig. 2.18
Fig. 2.17
Step 18. Grasp the head and rotor and, us-
ing a twisting pulling motion, remove the as-
sembly from the housing. Remove and discard
the o-ring seal.
16
Step 17. Invert the pump and holding fixture in
the vise and tip the pump forward so that the
drive shaft is facing straight down. Loosen and
remove the head locating screw with a 3/16”
hex bit. Remove and discard the 2 o-ring seals.
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