Impact 1040
11.3
pAckINgS
1. Remove inlet valve housing in accordance with the steps
in Chapter 11.2. It is not necessary to remove the outlet
valve.
2. It is not necessary to remove the outlet valve.
3. Remove the pail bracket bolts and washers (ig. 14, item
1). Remove the pail bracket (2). Loosen and remove the
two nuts and washers (3) from underneath the sprayer.
Remove the bolts (4) that secure the luid section retainer
(5). This will un-clamp the entire luid section (6).
4. Slide the luid section (6) forward to remove it from the
gear housing.
3
5. Place the luid section cylinder upright in a vise by clamping
on the wrench lats (Fig. 15, Item 6).
Do not tighten vice excessively to prevent
crushing.
6. Screw out threaded joint (7).
7. Push piston (4) downward out of the upper housing (6).
Check piston for wear and replace if necessary.
8. Remove upper packing (8) and lower packing (9) from the
upper housing (6).
Do not damage inside of upper housing.
2
4
1
5
6
9. Remove the transportation devices from the upper and
lower packings. (The transportation device from the upper
packing is required for installation of the piston.)
10. Lubricate upper packing (8) and lower packing (9) with
machine grease.
11. Insert upper packing (Fig. 16) with O-ring (1) and protruding
lip (2) downward into the upper housing (6).
1
2
12. Place intermediate ring (Fig. 17, Item 10) on the upper
packing (8).
repairs at the unit
1
3
2
7
10
8
6
9
11
4
23