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1.
See figure 8. Remove 2 screws holding torque limiter body (16) to cap assembly
(1).
2.
Remove all parts from torque limiter body (16) except pin (30) and arm assembly
(28). It is not necessary to remove these parts unless broken or worn. Examine parts
for wear or damage.
3.
Remove screw (3). Examine head for excessive wear, and body for smooth sealing
surface with O-ring.
4.
Remove maximum volume stop assembly (items 11, 13, 14, 20 and 24).
5.
Remove cap assembly (1).
6.
See fig. 9. Remove plug (15) and attached parts. Remove spring (11) and spool
(18).
7.
Remove adjusting plug (2) and attached parts. Remove seal piston (5). Note: a 10-
24 screw may be attached to assist in pulling the piston. Remove spring (7) and cone
(8).
8.
Do not remove sleeve in body (1). Sleeve is pressed into cap and finished to size. If
sleeve, snout or cap is worn, replace the cap-sleeve assembly (1).
9.
Examine seat (10) for wear. Do not remove unless damaged.
1.
See figure 9. Install Avseal plugs (9) and orifice (19).
2.
Press seat (10) into bore squarely against shoulder in bore.
3.
Install spool (18) into bore as shown. Install spring (11) over end of spool. Install O-
ring (6) on seal piston (16). Lubricate and install into plug (15). Install O-ring (14) in
bottom of bore as shown. Install O-ring (13) on plug (15). Install plug (15) into cap.
Install screw (3) and nut (4).
4.
Install O-ring (6) on seal piston (5).
5.
Lubricate O-ring and install cone (8), spring (7) and seal piston into bore in cap (1),
being careful that cone enters seat (10). Install adj. plug (2), screw (25), nut (4), and
acorn nut (26).
6.
Install plug (12) and torque to 90 ft-lb, 122 N m. Install plug (21). Torque to 50 ft-lb,
68 N m. Install plug 28. Torque to 11 ft-lb, 15 Nm.
7.
Carefully install O-ring (30) into the cap.
8.
Note proper location for cap. Install O-rings on interface between cap and pump
control pad. Install cap assembly on pump, guiding the control piston into the bore.
Torque two mounting screws to 75 ft-lb., 102 N m.
9. See figure 8. Install maximum stop screw (24), cover (20), O-ring (14) and plug
(11) with O-ring (13).
10.
Apply Loctite 242 on threads of screw (3), lubricate the shank, thread through the
cap into the control piston, and torque to 5 ft-lb, 6,8 N m.
11. Measure height from control cap to top of screw. With control piston at zero stroke,
dimension must be .75 +/- .03 in., 19,2 +/- 0,76 mm.
12. Press dowel (30) into body (16), through the link assembly (28), to .25 in., 6,35 mm
below surface. Apply Loctite hydraulic sealant to threads of screws (33) and install over
dowel (30).
13. While sleeve (27) is engaged into dowel on link (28), slide spool (21) into bore of
body (16), and through sleeve (27). Spool (21) must move freely and easily at all posi-
tions of the link (28).
14. Assemble remaining parts per drawing. Torque plugs (11) to 50 ft-lb, 68 Nm.
15. While spring retainer is engaging clevis pin (5) under dowel of link (28), slide the
other opening of spring retainer over the top of the screw (3). Attach body assembly
(16) to cap (1) and torque assembly screws to 75 ft-lb, 102 Nm.
TORQUE LIMITER OVERRIDE
TORQUE LIMITER OVERRIDE
DISASSEMBLY
ASSEMBLY
16
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Содержание P05
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