3 - Wacker Neuson Group

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5 PD SERIES PUMPS PT / PG / PD REPAIR 5.17 Diaphragm 1 5-14 2 D 6 5 11 9 12 7 A B 8 3 13 C 10 4 1033SD84 1033SD85
PT / PG / PD REPAIR PD SERIES PUMPS 5 5.17 Diaphragm (cont.) Recommended tools: Socket wrench - 3/4" Screwdriver Pry bar Removal: 1. Remove connecting rod cover (1). 2. With stop switch against spark plug, pull starter until crank arm (2) is in its uppermost position. 3. Loosen screw (3) mounting crank arm to gear shaft. See Section 5.20 Gearcase. 4. Remove four screws (4) mounting water box (5) to pump frame (6). 5. Lower water box assembly (5) from pump frame (6) and remove connecting rod / diaphragm assembly (7). 6. Remove three screws (8) or studs (9) and nuts (10) mounting connecting rod (11) and mounting plate (12) to diaphragm (13). Installation: 1. Position new diaphragm (13) in between mounting plate (12) and connecting rod (11). Secure with either screws (8) or studs (9) and nuts (10). Torque nuts to 35–40 ft. lbs. (48–54 Nm). 2. Mount crank arm (2) to gear shaft. Secure with screw (3) and torque to 55–60 ft. lbs. (75–81 Nm). 3. Carefully position connecting rod / diaphragm assembly (7) between pump frame (6) and water box assembly (5). Secure with four screws (4). Torque screws to 23 ft. lbs. (32 Nm.) CAUTION: Tighten bolts evenly, in progressive steps A-B-C &D, to ensure a tight seal around diaphragm. When assembled correctly, diaphragm should be compressed to approx. 3/8" (9.5 mm) around entire circumference. 4. Replace crank arm cover (1). 5-15
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www.wackergroup.com REPAIR MANUAL 0
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FOREWORD PT / PG / PD REPAIR Namepl
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FOREWORD PT / PG / PD REPAIR Item N
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1 GENERAL PT / PG / PD REPAIR 1.1 S
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1 GENERAL PT / PG / PD REPAIR 1.10
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2 OPERATION PT / PG / PD REPAIR 2.1
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3 PT SERIES PUMPS PT / PG / PD REPA
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Page 112: TORQUE VALUES Metric Fasteners (DIN
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3 - Wacker Neuson Group

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