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1. See Figure 12. Remove two screws holding torque limiter body (16) to cap assem-
bly (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 stop handwheel assembly or maximum stop screw assembly.
5. Remove cap assembly (1).
6. See Figure 13 Remove plug (15) and attached parts. Remove spring (11) and spool
(18).
7. Remove adjusting plug (2) and attached parts. 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 or cap is worn, replace the cap-sleeve assembly (1).
9. Examine seat (10) for wear. Do not remove unless damaged.
1. See Figure 13 Install Avseal plugs (9) and orifice (19) in body.
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 bot-
tom of bore as shown. Install O-ring (13) on plug (15). Install plug (15) into cap. Install
screw (3) and nut (4). Install plug (12). Torque plugs (12) and (15) to 90 ft-lb., 122 Nm.
Install plug (21). Torque to 50 ft-lb., 68 Nm. Install plug (28). Torque to 11 ft-lb., 15 Nm.
4. Install O-ring (6) on seal piston (5). Lubricate O-ring and Install cone (8), spring (7)
and seal piston (5) into bore in cap (1), being careful that cone enters seat (10). Install
adj. plug (2), screw (25), nut (4) and acorn nut (26).
5. Carefully install O-ring (27) in the cap.
6. Note proper location for control cap. Install O-rings on interface between cap and
pump control pad. Install cap, guiding control piston into bore.
7. Install maximum volume handwheel or screw assembly. Set stop to clear control pis-
ton. Install two mounting screws and torque to 75 ft-lb., 102 Nm.
8. See Figure 12. Apply Loctite 242 on threads of screw (3), lubricate the shank,
thread through the cap, and turn into the control piston. Torque to 5 ft-lb., 6,8 Nm.
9. Measure height from control cap to top of screw. With control piston at full stroke,
dimension must be 1.5 +/- .03 in., 38,1 +/- 0,76 mm.
10. 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 (35) and install over
dowel (30).
11. 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).
12. Assemble remaining parts per drawing. 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 screws to 75 ft-lb., 102 Nm.
TORQUE LIMITER
TORQUE LIMITER
DISASSEMBLY
ASSEMBLY
26
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