REPAIRS AND / OR SERVICE TO THIS TOOL MUST ONLY BE DONE BY AN AUTHORIZED AND CERTIFIED DEALER. For the nearest certified dealer, call Stanley Hydraulic Tools at (503) 659-5660 and ask for a Customer Service Representative. ZGG81 User Manual ◄ 3...
Always observe safety symbols. They are included for your safety and for the protection of the tool. LOCAL SAFETY REGULATIONS Enter any local safety regulations here. Keep these instructions in an area accessible to the operator and maintenance personnel. 4 ► ZGG81 User Manual...
Long hair or loose clothing space provided in this manual. can become drawn into rotating components. The model ZGG81 Zero Gravity Grinder will provide • Keep the wheel off all surfaces when starting the safe and dependable service if operated in accordance grinder.
• Only use abrasive wheels that comply with ANSI B7.1:2010/ISO 525, 603. TOOL STICKERS & TAGS 25414 CAUTION STICKER 73038 PINCH POINT STICKER 74832 STANLEY LOGO STICKER 6 ► ZGG81 User Manual...
CAUTION: PINCH POINT CAUTION: PINCH POINT, KEEP CLEAR OF ARM FRAME COLLAPSES MOVING PARTS WHEN MOVED OPERATING POSITION Do not open or damage gas spring, under high pressure. CARRY AND STORAGE POSITION ZGG81 User Manual ◄ 7...
HOSE SAFETY TAGS To help ensure your safety, the following DANGER tags are attached to all hose purchased from Stanley Hydraulic Tools. DO NOT REMOVE THESE TAGS.
When possible, connect the free ends of the operating hoses together, when not in use. OPERATING PROCEDURES 1. Observe all safety precautions. 2. Always start the grinder with the grinding wheel away from the work surface. ZGG81 User Manual ◄ 11...
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9. Squeeze the trigger momentarily. If the grinder normally recommended fluids, fluid temperature should does not operate, the hoses might be reversed. be at or above 50 °F/10 °C (400 ssu/82 centistokes) Verify correct connection of the hoses before before use. 12 ► ZGG81 User Manual...
This can cause damage to internal seals. • Replace all parts, including hoses and couplings, with replacement parts recommended by Stanley Hydraulic Tools. Supply hoses must have a minimum working pressure rating of 2500 psi/172 bar. ZGG81 User Manual ◄ 13...
Inspect, repair or replace. Flow control malfunctioning. Have flow control serviced at an authorized Stanley service center. Grinder operates too fast. Flow control malfunctioning. Have flow control and valve body serviced at an authorized Stanley service center. 14 ► ZGG81 User Manual...
RPM ................................6000 Max Maximum Fluid Temperature ........................140 °F/60 °C ACCESSORIES Grinding Wheel – Norton Norzon IV (8 inch dia. × 1 inch wide × 5/8 arbor) ............28598 Grinding Wheel Part number 28598 ZGG81 User Manual ◄ 15...
PSI & RPM LOCATION ITEM # 16 TORQUE TO ITEM # 41 TORQUE 120 IN. LBS. TO 37 IN. LBS. X 8. NOTE: GREASE O-RINGS, SEALS, WIPERS, AND QUAD RINGS BEFORE ASSEMBLY COMPLETE MOTOR ASSY P/N-211142 16 ► ZGG81 User Manual...
ZGG81/81-N MOTOR/BEARING HOUSING PARTS LIST SEAL KIT P/N-74868 ITEM # PART # QTY DESCRIPTION * Denotes Part in Seal Kit 00026 O-Ring * 00106 O-Ring * 00171 O-Ring * 00214 Quad Ring * 00289 Dowel Pin 00708 Retaining Ring External...
ZGG81/81-N QUAD ARM ASSEMBLY ILLUSTRATION CONNECTS TO ITEM # 32 PAGE 16. CONNECTION (AA). CAUTION: DO NOT DISASSEMBLE ITEM # 8 GAS SPRING, UN- DER HIGH PRESSURE 18 ► ZGG81 User Manual...
ZGG81/81-N QUAD ARM ASSEMBLY PARTS LIST ITEM # PART # QTY DESCRIPTION 08253 Capscrew (Apply 263 Loctite & torque to 6 ft/ lbs.) 28409 Composite Sticker 73037 Pinch Point Sticker 74832 Decal-Stanley Logo 76685 Lower Arm Assembly Right (Includes 2 Ser- rated Bushings &...
Leg Brace Clamp 79206 Trigger Cable Assembly 27441 Thumb Latch 27445 Latch Spring 01851 Roll Pin (1/8 Ø X 1) 07718 Roll Pin (3/16 Ø X 1) 372035 Roll Pin (3/16 Ø X 1/2) 208084 Trigger 22 ► ZGG81 User Manual...
Handle Pivot 04855 Retaining Ring 79218 Grooved Clevis Pin 01228 Roll Pin (1/8 Ø x 7/8) 206114 Sleeve Bearing 79196 Left Mounting Bracket 208062 Motor Trigger 206083 Retaining Ring 208891 Washer 206084 Spring 00077 Retaining Ring ZGG81 User Manual ◄ 23...
ZGG81/81-N GUARD ILLUSTRATION & PARTS LIST ATTACH TO BEARING HOUSING ITEM # 31 PAGE 16. ITEM # 7 TORQUE TO 23 FT LBS. ITEM # PART # QTY DESCRIPTION 00787 Capscrew 01714 Heavy Hex Jam Nut 02447 Key Woodruff 02689...
ZGG81/81-N HOSE/COUPLERS ILLUSTRATION & PARTS LIST 152 162 151 161 152 162 150 160 153 163 ITEM DESCRIPTION HOSE GROUP ZGG81 Zero Gravity Grinder ZGG81-N Zero Gravity Grinder BN ITEM PART NO QTY. HOSE GROUP "A" PARKER 03972 Coupler,3/8Fem. 3/8Npt Fl.face Set 03971 03973 Coupler,3/8Male 3/8Npt Fl.face Set 03971...
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Stanley Hydraulic Tools 3810 SE Naef Road Milwaukie, Oregon 97267-5698 USA (503) 659-5660 / Fax (503) 652-1780 www.stanleyhydraulics.com...
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